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(c) 2004,2015 Peter McCollum

Observed Serial Numbers

This section lists ranges of serial numbers that have been observed for various equipment. Included are notes about markings or feature variations.

SSTR-1 components

743 SST-1-B, marked “SST-1-743”. No roller inductor. “RDR” mark on the “Dim Points” switch.

2227-2781 and 2973-3417 SST-1-D, numbers mentioned in documentation

2436 SST-1-D “RDR” marking on roller inductor. 6L6 dated Mar/Apr 1943.

4587 SST-1-D, with RDR marking inside

5304 SST-1-E, packing list dated 3/12/47

5402 SST-1-E. “The paper schematic pasted inside the case is actually for a ‘D’ model, hand corrected to an ‘E’ model.  There are a couple changes to the wiring, parts list, and the "D" of the SST-1-D has been crossed out and changed to an ‘E’.”

6271 SST-1-E

6802 SST-1-G

6840 SST-1-E

 

1829-2728 SSR-1-D, numbers mentioned in documentation

713 SSR-1 (no letter??)

4870 SSR-1-G (no power cable)

5037 SSR-1-G (power cable not original)

5126 SSR-1-G

5139 SSR-1-G Loktal tubes.

5215 SST-1, Stay-behind equipment for project ICEBERG.

5240 SSP-1, Stay-behind equipment for project ICEBERG.

5643 SSR-1-G, packing list dated 3/12/47

5718 SSR-1-G

5872 SSR-1, Stay-behind equipment for project ICEBERG.

6133 SSR-1-G (poor condition)

6217 SSR-1-G

6647 SSR-1-G

6705 SSR-1-G

6801 SSR-1-G

 

2350-5349 SSP-1-D, numbers mentioned in documentation

2707 SSP-1-D

3129 SSP-1-D

3372 SSP-1-D, packing list dated 3/12/47

3797 SSP-1-D

4876 SSP-1-D

4923 SSP-1-D

 

SSR-5 Receiver

1053 SSR-5-A

1224 SSR-5-A

1875 SSR-5-A

2715 SSR-5-B

 

 SST-5 Transmitter

488

 

CMS

 

18H Rcvr, Xmtr, tuning chart.

24J Xmtr.

25F Rcvr, Xmtr, tuning chart.

28H Rcvr, Xmtr, tuning chart.

35H Rcvr.

38H Rcvr, Xmtr.

39J Rcvr, tuning chart.

40F Rcvr marked “40F”, Xmtr “4 F”.

64H Rcvr.

91H Xmtr.

94E Rcvr, Xmtr, tuning chart, almost mint.

94H Rcvr, Xmtr, tuning chart, manual. Case worn; inside very good. Missing key, 2 coils, 1 reel.

96H Rcvr, Xmtr, tuning chart.

97H Rcvr, Xmtr.

 

RT-3 Transmitter

(none) Case is somewhat rough/crude from the casting process. Lid marked "DET B-1 MIAMI FLA". Lots of hand-wear on knobs. Key knob is a more rounded shape than later models. Serial was carefully removed from panel. The base of the FT-243 socket is brown, not black. Ant. current lamp housing has larger knurling than later models. All binding posts stamped with "RDR". Power plug is brown, not black. Front panel lettering is smaller than later models. Inside show signs of repair. Tubes have 1964 and 1966 dates. The CIA used to have a training facility at a military base in the Miami area, so this unit may have been used there (?).

150 “RDR” marked binding posts. Front panel only, mounted on a plaque given to the RT-3 designer on his retirement.

412 Stay-behind equipment for project GRCROOND.

437 Stay-behind equipment for project ICEBERG.

462 Stay-behind equipment for project GRCROOND.

517 Stay-behind equipment for project GRCROOND.

523 Rounded key knob, “RDR” binding posts, “MWO 39”.

3070

3147

3318

3336 "RT-3" stenciled in white on top and bottom, MWO "39" dated 25-Apr-66. Lid casting says C-8355-B D605A B/Z W. Box is casting C 8356 RFO 95. "0-43" marking on tubes (late 1950).

3398

3568

3602 Case shows some 'roughness' from the casting process. 6AC7 date code "2-09" (early 1952). No RDR marks. Exciter knob has different chamfer. Slight lip on perimeter of key knob. Power plug is black. Case mold C8356, lid is D11075. No MWO-39 or other mods.

3676

3767 Case shows some 'roughness' from the casting process. 2E26 tube marked "8-52" (last week of 1948). 6AC7 is marked "2-09" (early 1952).

4324 Has been paired with a low-numbered RR-2B for many years. Bottom case edges are semi-sharp. No modifications (MWO 39, etc.).

4765 RT/A-3 conversion (see below).

4958 RT/A-3 conversion (see below).

4961 2E26 has "3-04" marking (early 1953). No "RDR" markings.

5301 RT/D-3 conversion (see below). MWO 39.

5724 RT/E-3 conversion (see below). MWO 39.

5844

5884 Case has MWO sticker (1966), but no diodes installed, and Rcvr post has shorting wire.

5903 "RT-3" painted on lid, no plate.

6093 Has a metal MWO sticker "MWO 39 10/22/69".

6122 Modified to be an RT/A-3 (see below).

6264

6283

6328 Modified to be an RT/A-3 (see below).

6400

6487 Lid marked "RT-3" in small orange lettering. Letter "H" stamped in upper-right corner of lid. "MWO 39" stenciled above ID plate on panel. Case is smooth and clean - no 'roughness' from the casting process. Tubes dated Jan/Mar 1964.

6520

6553

6712 Modified to be an RT/E-3 (see below). MWO 39 & 43. Tubes dated 1965 and 1966.

6815 Brought back from Germany c.1967.

RT/A-3 Transmitter (part of BN-2)

3405 (Number hand-written on RT/A-3 lid.)

4765

4958

6122

6281 (Number hand-written on RT/A-3 lid.)

6328

6570

RT/D-3 Transmitter

5301 The case was formerly an RT/A-3 unit - it has the yellow stripe, plus a portion of the "A" schematic is still inside.

? (no number)

RT/E-3 Transmitter

5724 "MWO 39" stenciled above ID.

6712 “MWO 39 & 43”. 6AC7W date “5-13”. 2E26 date “66-49”.

RT-1B Transmitter

2xx A note on the bottom plate reads "THIS UNIT WAS TREATED WITH FUNGICIDAL LACQUER MARCH 1950". No "RDR" markings.

477 Tube date codes range from 1948-1951. A note on the bottom plate reads "THIS UNIT WAS TREATED WITH FUNGICIDAL LACQUER MARCH 1950". No "RDR" markings.

URT-11 Transmitter

40 Marked with two MWO numbers. P.S. #40 exists also.

70 Has power supply, also.

86

328 Found in Greece. P.S. is #354.

? (number removed)

RT-4 Transmitter

? (number removed) Tube date codes include 1950 and 1951. The two 0B2 tube sockets are labeled "0C3", although the 0C3 is an octal type, and the sockets/panel don't appear to have been modified.   

? (number removed)

?

RR-2 Receiver

2020 [Unit pictured in manual, and labeled "RR-2", not "RR-2B".]

?/none RDR markings on knobs, binding posts, and crystal socket cover. Case lid also marked “RR-2”.

RR-2B Receiver

(?) Serial # has been removed, but it was probably 2 digits. Panel was originally marked “RR-2”, but a “B” was added in white stamped ink. “RDR” marking on knobs and binding posts. Has been paired with RT-3 #4324 for many years.

2116 Stay-behind equipment for project ICEBERG.

2339 Panel was originally marked “RR-2”, but a “B” was added in white stamped ink. “RDR” marking on knobs.

(none) Looks like it never had a serial # marking.

(none)

3039 Originally marked “RR-2”, but “B” was added (see no-serial unit above).

3486

3973 Lid marked "RR-2B" in small orange lettering. Sticker on case "Dec 7 1968". Bottom edge perimeter of case is a sharp corner, not rounded. Knobs have "RDR" stamped into them.

4029 Gain and tuning knobs stamped "RDR".

4175 Knobs stamped “RDR”.

6378 Stay-behind equipment for project GRCROOND.

6400 Stay-behind equipment for project GRCROOND.

6417 Stay-behind equipment for project GRCROOND.

6690 Lid marked "RR-2B" in small orange lettering. Knobs do *not* have "RDR" stamping.

7175 Front panel only, mounted on a plaque given to RT-3 designer on his retirement.

8046 Brought back from Germany c.1967.

RP-1 Power Supply

234 Stay-behind equipment for project ICEBERG.

430 Stay-behind equipment for project GRCROOND.

3006 Stay-behind equipment for project GRCROOND.

3239

3443

3460

5279 Stay-behind equipment for project GRCROOND.

RP-2 Power Supply

173 [Unit pictured in manual.]

249 No “RDR” logo on meter.

320 Bottom case edges are sharp. “RDR” logo on meter.

396 “RDR” log on meter.

2131 Meter branded “Burlington” (not RDR). Lid and upper face of case stenciled “RP-2” in white. Xfmr marked “DEC 10 1952”, 0B2 “638”, electrolytic cap “6508”.

2155 Meter branded "Burlington" logo (not RDR).

T-784/GRC-109 Transmitter

3

32 MWO 11-5820-474-35/1

36 MWO 11-5820-474-35/1

?1 2-digit serial.

47 “T784”, not “T-784”. ID on lid attached with screws.

80 ID plate on lid, with screws.

102 No ID plate on lid, and no holes. Number "2" stenciled large on box.

105 ID plate on lid, also says "Vitro Electronics".

136

137 Admiral Corp. Label on panel reads: "MWO 11-5820-474-35/1, Applied at Depot, Checked 8231 - RJM"

163

193

246

255

266

283 FR-36-039-C-4-44845(E) Admiral Corp. Serial is on lid only - panel serial was removed.

288 MWO 11-5820-474-35/1

291 MWO 11-5820-474-35/1

298 No ID plate on lid, and no holes.

307 MWO 11-5820-474-35/1. No tag on cover, and no holes.

336 Silk-screened ID plate. Lid has "SET-1" stenciled on it.

340 No ID plate on lid, and no holes. "SET 22" stenciled on box.

344

378

430

443 Has "21" stenciled on cover.

456 Cover only. Stick-on label.

471

476

499 Has cover #456.

534

540 Shop tag dated Feb/Mar 1986.

544

559

607 Case marked “A-38”. Rough case casting. Internal cap data “9-66”. Tubes have 65 dates. Front panel had an extra hole in upper left, now filled with gray epoxy. Cable clip missing, hole filled with gray epoxy.

666

702

709 ID tag screwed onto lid. Serial # on panel is painted, not engraved. "Rough cast" case.

711

719 Lid only; on xmtr #711.

737 FR-36-039-C-5-14591(E) Admiral Corp. Lid's ID plate is self-adhesive foil, but there are holes and captive nuts for original ID plate. Front panel stencil marking: "MWO-11-5820-474-35/1". Front panel sticker: "Overhauled Tobyhana Army Depot 5-8-81".

775

801

T-784A/GRC-109A Transmitter

102A Oklahoma Aerotronics, Inc. DAAB 05-69-C-1302. Cover is stenciled "CO C" above ID plate, and "A30" below.

124A

220A

324A

411A Oklahoma Aerotronics, Inc. DAAB 05-69-C-1302. Has "13" stenciled on cover. Flat-black paint.

418A Has lid # 484A.

484A Lid only.

556A Oklahoma Aerotronics, Inc., DAAB 05-69-C-1302.

605A

685A 05-69-C-1302

R-1004/GRC-109 Receiver

none

none No serial numbers. Lid has no ID plate, but screws are in the holes, then varnished over.

? No data plate - has 2755 stamped in the same spot.

15

42

66 Mis-matched cover.

70 No tag on cover, and no holes. White insp. stamp on panel. Tuning window is clear, not yellow. "35" is stenciled on cover and case.

74

121 "Receiver Radio R-1004/GRC-109" stenciled in white on the lid. No ID plate on lid. Panel says only: R-1004/GRC-109, Ser. No. 121.

131

134

157 red ink on side: “BS6 AMC DEPOT 240”.

206 Marked "OD 5" on cover.

214 order # FR-36-039-C-5-14591(E), lid plate is screwed on. Serial etched on front panel.

273 FR-36-039-C-4-44845(E)

277

293 No ID tag on lid. Front panel is painted (silkscreen), and serial # is engraved.

299 Has "SFEP" stenciled in blue on lid.

313

344 ID plate on lid (screwed on). FR-36-039-C-4-44845(E) Admiral Corp. Tuning dial window is clear, not yellow. Knobs do *not* have "RDR" stamped in them. No serial # on panel - panel may have been repainted? "OD 5" stenciled in white on lid. Case is somewhat crudely finished, and has four 'support bosses' built in to the top edge of the casting.

373

415

439 Shop tag dated Feb/Mar 1986.

440 ID plate on lid.

481

497 Stick-on label on lid. Overhauled by Tobyhana, date code "2117". Front panel ID plate has painted-on serial #. Serial is also engraved in large numbers in the lower-right corner of panel.

505

562

566

663

684

707

709

726 Screw-on ID plate on lid.

769

780 Silk-screened ID plate.

784

797 ID on lid attached with rivets.

804 Lid only.

893

1246 ID sticker maybe was added later – rcvr appears to be an older version, possibly an RR-2B, with an ‘RDR’ gain knob.

R-1004A/GRC-109A Receiver

93A Oklahoma Aerotronics, Inc., DAAB 05-69-C-1302

118A Metal ID plate on lid, with screws. This lid is on radio #141A. ID plate has spelling error: "reciever". DAAB 05-69-C-1302.

141A Has lid #118A.

209A

220A

380A

409A

478A

637A

PP-2684/GRC-109 Power Supply

3

20

81

86 No ID on lid, panel ID is painted, panel serial is engraved.

104

141 Case is crudely finished, with pebble-grain top. ID plate screwed on. FR-36-039-C-4-44845(E) Admiral Corp. Alum. sticker: "OVERHAULED TOBYHANA DATE 1119". "WHO5AO" stamped into panel.152 (R.V.) ID plate on lid (screwed on).

192

194 Has "12" stenciled on side of case.

250

304

306

307

335 Lid only; no # on PS panel.

346 FR-36-039-C-4-44845(E) Admiral Corp. ID plate on lid (screwed on). Sticker ID on panel, no serial #.

347

357 Vitro Electronics, FR-36-039-H-6-31912 E.

376 "17" stenciled on lid. Date code of late 1962 on internal parts.

378

429

463 No tag on lid, and no holes.

466

469

519

528 Rebuilt by Tobyhana 6/10/81.

603 Shop tag dated Feb/Mar 1986. Overhauled sticker dated 6079 Tobyhanna Army Depot.

707

714

900

PP-2684A/GRC-109A Power Supply

206A

269A

422A Oklahoma Aerotronics, Inc. DAAB 05-69-C-1302. Square orange acceptance stamp to right of lid's ID plate.

445A

683A Oklahoma Aerotronics, Inc., DAAB 05-69-C-1302.

835A

PP-2685/GRC-109 Power Supply

33

55 FR-36-039-C-5-14591(E)

60 FR-36-039-C-4-44845(E) Admiral Corp.

80

87 ID on lid attached with screws.

88 Case marked "OD-53 SET-1". Internal parts dated 1961.

91 FR-36-039-C-5-14591(E)

110 Lid has "35" stenciled on it.

117 FR-36-039-C-4-44845(E) Admiral Corp. Lid's ID plate is self-adhesive foil. Front panel sticker: "Overhauled Tobyhana Army Depot ?202". Case and panel each stamped "WHO5AO".

129

206? Number stenciled in white on lid.

206

214

224

240 FR-36-039-C-4-44845(E)

272

325 No label on lid.

329 FR-36-039-C-4-44845(E) Admiral Corp. Front panel sticker: "Overhauled Tobyhana Army Depot 6 5 81".

347

391

433

434 Silk-screened ID plate. Lid is from #463.

443

463 lid is with unit #434) Lid marked: FR-36-039-C-4-44845(E).

511 Overhauled at Tobyhana.

583 Shop tags dated Feb/Mar 1986.

714

725

754

776

777 No contractor marking (no ID plate on lid?).

887

1040 FR-36-039-C-4-44845(E) Admiral Corp.

PP-2685A/GRC-109A Power Supply

94A Oklahoma Aerotronics, Inc. DAAB 05-69-C-1302. Serial is stamped on plate (lid), and inked on front panel. Internal parts date code of early 1969.

273A

308A Oklahoma Aerotronics, Inc. DAAB 05-69-C-1302.

431A

517A Oklahoma Aerotronics, Inc. DAAB 05-69-C-1302.

CN-690/GRC-109 Voltage Regulator

335A Oklahoma Aerotronics. Marked "Use only when connecting G-43 to R-1004".

548A Oklahoma Aerotronics. DAAB 05 69-C-1302. Marked: "Use only when connecting G 43 to R-1004".

RR-6 Receiver (part of RS-6)

1200 RR-6XX. Tuning dial DOES have red/blue coloring. IF can mark: X119-1-32. No serial # on bottom cover. Green SAC sticker. Red paint splotch on front edge.

1299 Stay-behind equipment for project ICEBERG, 9/1953.

1343 Early version – most notable difference is the tuning dial window has no red/blue coloring, just clear. IF can mark: X119-1-28.

1404 RR-6XX, Stay-behind equipment for project ICEBERG.

2198 Stay-behind equipment for project GRCROOND.

2220 IF can mark: 119-1-38, 119-1-39

2261

2408

2842 Part of a leave-behind set in Tarrenz Austria (GRCROOND project).

2876

2950

2978 IF can marks: 119-1-38, 119-1-50. Dial window has the normal red/blue coloring.

2999

3019 Stay-behind equipment for project GRCROOND.

3046

327?

3294

3448

3463

3477

3564 Case half mismatched. IF can mark: 119-2-48, 119-3-07.

3656 IF can mark: 119-3-07, 119-3-15.

3696 Came from SAC HQ in Boulder, CO, 1960. Has sticker saying "accepted A1". Upper & Lower solid green bands, middle is light striped green & is where legend appears.

3769 IF can mark: 119-2-49

3772

3787

3899

3949 IF can mark: 119-2-51, 119-2-52.

3952

3986

4046

4139 Has microswitch in xtal socket. IF can mark: 119-3-10.

4178

4228

4253

4387

4452 IF can mark: 119-3-10, 119-3-11, 119-3-37. Acquired in the late 60's from an SF unit.

4533

4572

4584 IF can marks: X119-1-51, 119-2-51, 119-3-10

4651

4707 IF can mark: 119-3-37. Has microswitch in crystal socket.

4737 Has microswitch in xtal socket. IF can mark: 119-3-05, 119-3-08.

4741

4762

4821

4825 Has microswitch in xtal socket. IF can mark: 119-3-38.

4929

4939 Has microswitch in xtal socket. IF can mark: 119-3-37, 119-3-38.

4942 IF can mark: 119-3-10, 119-3-37.

4981 IF can mark: X119-1-37, X119-1-35, X119-1-39.

5000

5035

5101

5185

5208

5216

5254

5292

5339

5352

5378

5388

5509

5775

6290 Mounted in an RS-511 set.

6936

7115

7387

RR-6A Receiver (part of RS-6A)

8274 IF can mark: 119-4-01

9193 IF can mark: 119-4-11,-13,-14; also 54:21 marking. Has microswitch in xtal socket.

9214

9387

10186

10464

RT-6 Transmitter (part of RS-6)

33 [Lowest number covered by the manual Addendum.]

437 Stay-behind equipment for project ICEBERG, 9/1953.

1090 RT-6XX, Stay-behind equipment for project ICEBERG.

1147 RT-6XX. No keying relay, no sidetone, etc.

2001-2614 [Serials 2001-2614 had a different antenna impedance matching switch, in the manual Addendum.]

2001 Stay-behind equipment for project GRCROOND.

2079

2141

2201 Part of a leave-behind set in Tarrenz Austria (GRCROOND project).

2220

2384 Tubes dated "430" (July 1954).

2408

2502

2546

2876

2983

2999

3019 Stay-behind equipment for project GRCROOND.

3466

3500

3532

3664

3690?

3696 See note under RR-6 #3696.

3717

3837

3867

3877

3944

3994

4009

4093

4155

4159

4253

4452 Acquired in the late 60's from an SF unit.

4472

4533

4572

4608

4617

4651

4665

4681

4706

4714

4741

4751

4790

4907

4909

4921

5000

5035

5101

5208

5216

5228

5292

5349

5383

5391

5400

5410

5413

5775

6592

6920

RT-6A Transmitter (part of RS-6A)

8481

9000 [Lowest number mentioned in manual].

9750 [Highest number mentioned in manual].

9760 Simpler type of osc. and PA coils compared to RT-6.

9797

10239

RA-6 Power Supply Filter Unit (part of RS-6)

1034 RA-6XX. Diagram in lid says “GN-58 or SSP-11” instead of just “GN-58”.

1282 RA-6XX, Stay-behind equipment for project ICEBERG.

1363 Stay-behind equipment for project ICEBERG.

2096 Part of a leave-behind set in Tarrenz Austria (GRCROOND project).

2239 Stay-behind equipment for project GRCROOND.

2408

2468 Back is #2444

2528

2972

2986

2996

3019 Stay-behind equipment for project GRCROOND.

3072

3078

3514

3532

3696 See note under RR-6 #3696.

3733

3748

3784

3807

3986

4159

4188

4216

4257

4307

4452

4499

4527

4533

4572

4633

4651

4674

4698

4714 Modified with modern xformer, etc.

4721

4741

4757

4790

4921

5000

5128

5208

5216

5270

5275

5292

5355

5775

6920

8207

8277

9054

9308

9725

9988

10239

10408

RP-6 Power Supply Unit (part of RS-6)

1190 RP-6XX.

1195 RP-6XX, Stay-behind equipment for project ICEBERG.

1349 Stay-behind equipment for project ICEBERG.

2375

2478

2514

2659

2978

2986

3019 Stay-behind equipment for project GRCROOND.

3038

3169

3419

3532

3602

3696 See note under RR-6 #3696.

3931

3994

4228

4387

4390

4452

4533

4614

4651

4674

4681

4687

4698

4741

4751

4790

4819

4877

4902

4979

5000

5025

5027

5101

5109

5140 One side of case only.

5163

5165

5208

5216

5256 One side of case only.

5271

5292

5531

5580

5775

5911

5930

6920

7991 Part of a leave-behind set in Tarrenz Austria (GRCROOND project).

7994 Stay-behind equipment for project GRCROOND.

8207

8710

9704

10236

10239

AN/GRA-71 Burst Coder

104 Arvin Ind., FR-36-039-E-5-15509(E).

136 Arvin Industries Inc., FR-36-039-E-5-15509(E).

194 Arvin Industries Inc., FR-36-039-E-5-15509(E). Plastic case (?).

220

288 Arvin Industries Inc., FR-36-039-E-5-15509(E).

755 Stenographic Machines, Inc. Overhauled by Tobyhanna Depot, date: "3112" (I think 3112 means Dec 1984 because there is a packing slip taped to top cover dated Dec 7, 1984). 36900-PC-63.

899 Stenographic Machines. 36900-PC-63. Date codes on internal xformers are early 1964.

1301 Arvin Industries Inc., FR-36-039-E-5-15509(E).

1420 Arvin Industries Inc., FR-36-039-E-5-15509(E).

1550

KY-468 Keyer (part of GRA-71)

? Stenographic Machines

79 Arvin Industries. FR-36-039-E-5-15509(E).

104 Arvin Ind., FR-36-039-E-5-15509(E).

128 Arvin Industries. FR-36-039-E-5-15509(E).

788 Arvin Industries. FR-36-039-E-5-15509(E).

810 Stenographic Machines. 36900-PC-63. Date codes on transistors mid 1966.

827

968

1010 Stenographic Machines.

1302

2175 This unit is a KE-8B, part of an RS-8 set.

MX-4496 Tape Coder (part of GRA-71)

? Arvin

104

762 Stenographic Machines, Inc. Order no. 36900-PC-63.

1151 Arvin Industries. FR-36-039-E-5-15509(E).

1154 No mfg. name. FR-36-039-E-5-15509(E).

1567 No mfg. name. FR-36-039-E-5-15509(E).

1670 Arvin Industries. FR-36-039-E-5-15509(E).

MX-4495 Tape Coder (part of GRA-71)

? Arvin

104

244 Arvin Industries. FR-36-039-E-5-15509(E).

285 Stenographic Machines. 36900-PC-63.

402 Stenographic Machines, Inc, 36900-PC-63. Arvin Ind., FR-36-039-E-5-15509(E).
Part of "Adaptor Unit AN/GRA71-PRC316, 5820-99-110-7694, 0116/7140 (no MOD numbers punched)". One of the cables has a pushbutton that's probably a hand key for manual Morse.

513

678 Arvin Industries. FR-36-039-E-5-15509(E).

1015

1154

1330

1448 Arvin Industries.

2062 This unit is a CO-3B, part of an RS-8 set.

MA-9 Recording Tape Magazine (part of GRA-71)

? Stenographic Machines, 36900-PC-63

205 Arvin Ind., FR-36-039-E-5-15509(E).

207 Arvin Ind., FR-36-039-E-5-15509(E).

480

796 Stenographic Machines, Inc. 36900-PC-63.

909 Stenographic Machines, Inc, 36900-PC-63.

1140 Stenographic Machines, Inc. 36900-PC-63.

1433 Arvin Industries. FR-36-039-E-5-15509(E).

1742

1807 Arvin Industries. FR-36-039-E-5-15509(E).

1818 Stenographic Machines, Inc. Order no. 36900-PC-63.

1820 Arvin Ind., FR-36-039-E-5-15509(E).

2034 Arvin Ind.

2189

2242

2276

2287 Arvin Ind.

2322 Arvin Industries. FR-36-039-E-5-15509(E).

2391 Arvin Industries. FR-36-039-E-5-15509(E).

2511 Arvin Industries. FR-36-039-E-5-15509(E).

RR-49 Receiver

217

?

? Mounted on a retirement plaque.

453

RT-49 Transmitter

?

447

Delco 5300B Transceiver

1963

2095

PRC-64 Transceiver

132 No ID plate - serial is printed with white ink on the spot where the ID plate would be.

175 36-039-1-5-14542(E).

177 36-039-1-5-14542(E).

Australian PRC-64's, serials: 8, 28, 41, 43, 57, 60, 338, 1113, 1153, 1191, 1197, 1219, 1260, 1289, 1298, 1300, 1311, 1323, 1329. Typical markings are as follows: ID plate says: "RADIO SET AN/PRC-64, 2.2/6 MC SERIAL 43, DELCO RADIO DEV. G.M.C., STOCK NO.< >,AUSTRALIAN ARMY 1965".

PRC-64A Transceiver

4A DAAB05-68-C-0039.

19A

55A DAAB05-68-C-0039.

66A DAAB05-68-C-0039.

 

TAR-224 Transceiver

001

106 Marked “TAR-224A”.

193

306

315 Marked “TAR-224A”.

328 Marked “TAR-224A”.

359 Marked “TAR-224A”.

382 Marked “TAR-224A”.

444

549

576

 

M-209-B

 44042

81433

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