crystals from woolwich. March 2008. COPYRIGHT (c) 2008 Sarah Bluck / OES ENGINEERS. --------------------------------------------------------------------------------------------------------------- Type. Description. A= metal can H(body)=1.28, W=1.18, D=.45 pitch=.5 pin thickness=.12 pin length=.6 rectangular B= metal can H(body)=1.28, W=1.18, D=.45 pitch=.5 pin thickness=.12 pin length=.6 rounded sides C= bakelite H(body)=2.16, W=1.58, D=.7 pitch=.75 pin thickness=.12 pin length=.6 rectangular, A-M Marked. D= FT243 H(body)=1.15, W=.85, D=.4, pin-pitch=.5 pin thickness=.1 pin length=.4. various case styles. E= plastic? H(body)=1.2, W=1.5, D=.45, pin pitch=.5, thickness=.12, length=.6, F= FT241-A h=1.1, w=1.15, d=.45, pitch=.5, thickness=.9, length=.43. signal corps, etc.. on bottom. G= bakelite H=1.7, W=1.58, D=.75 pitch=.75 thick=.13 length=.6 rectangular rounded top, some A-M Marked. H= bakelite H=1.7, W=1.6, D=.7 (pitch=.75 thick=.13 len=.6) rectangular (St'd Radio 4002), most A-M Marked --------------------------------------------------------------------------------------------------------------- FREQ TYPE MARKINGS 1000.000 H CRYSTAL UNIT JAN 45 KC1000 PO No 1282 on top. ZA12344 on side. 1000.000 B ZBA/1000 on top, SEC/PD on side, 1 35 23S between pins. 1098.000 G GEC quartz crystal unit, FREQ L/1098 Ser QA298159 MAY56 on top. 1130.500 G GEC quartz crystal unit, FREQ L/1130.5 Ser QA299370 MAR56 on top. 1130.500 G GEC quartz crystal unit, FREQ L/1130.5 Ser QA299410 MAR56 on top. 1130.500 G GEC quartz crystal unit, FREQ L/1130.5 Ser QA299419 MAR56 on top. 1130.500 G GEC quartz..., FREQ L/1130.5, Ser QA299736, MAY56, on top, ARD/MAR.60 on side. 1130.500 G GEC quartz crystal unit, FREQ L/1130.5 Ser QA299932 JUNE56 on top. 1300.500 G GEC quartz crystal unit, FREQ L/1300 Ser RA313342 MAR56 on top. 1381.000 G GEC quartz crystal unit, FREQ L/1381 Ser RA315260 SEPT56 on top. 1650.000 H CRYSTAL UNIT KC1650 QCC Ltd No AT58234 on top. 181.8.M. on side. 1780.000 C standard radio 4006 quartz plate AUG1942 ser ST76 on top, AP/W.4781 on side FREQ TYPE MARKINGS 2000.000 H CRYSTAL UNIT DATE AUG1943 REF No10X2000 SerNo ST1033 2012.000 H CRYSTAL UNIT QCC Ltd Frequency2012.0KC Serial No AT70851 2016.000 H 2016KC On Faces. 2049.000 H A/2049 ADR/LK on sides. 2067.500 C A/2067.5 on one edge-side, ADR/HL on other. 2087.500 C A/2087.5 on one edge-side, ADR/HL on other. 2089.000 H L/2089 on top, L/2089 ADR/HK on sides. 2102.500 H A/2102.5 ADR/LJ on sides. 2112.500 H A/2112.5 ADR/GJ on sides. 2120.000 H A/2120 ADR/GJ on sides 2123.500 H CRYSTAL UNIT DATE A/2123.5 REF No10X Serial No DSGOC756 2150.000 H A/2150 GG/JUL51 on sides. 2186.200 H 2186.2 ON TOP, PAPER-LABEL. A/2186.2 R.N.Q.C.O. RISLEY. on sides. 2230.000 H A/2230 ADR/JA on sides. 2238.750 H A/2238.75 ADR/HJ on sides. 2238.750 H A/2238.75 ADR/HJ on sides. 2261.000 H A/2261 ADR/KG on sides. 2261.000 H A/2261 ADR/JE on sides. 2261 written on top. 2290.000 H A/2290 ADR/GK on sides. 2295.000 C A/2295 on one edge-side, ADR/JF on other. 2315.000 H A/2315 ADR/LH on sides. 2333.000 H CRYSTAL UNIT (top).. A/2333K/C JULY 1954 written on face. 2394.000 H A/2394 ADR/MA on sides. 2592.500 H A/2592.5 R.N/Q/C/C/ RISLEY. on sides. TOL=/-.005% on face. 2649.000 H A/2649 ADR/JB on sides. 2716.000 H CRYSTAL UNIT, DATE FEB 1945, REF No 10X, 2716, Serial No ST15 2762.000 H L/2762 on top, ADR/NB on side. 2817.000 H A/2817 ADR/JB on sides. 2850.000 H A/2850 ADR/JE on sides. 2850.000 H A/2850 ADR/JE on sides. FREQ TYPE MARKINGS 3023.500 H A/3023.5 ADR/JH on sides. 3040.000 H A/3040 ADR/HK on sides. 3065.000 H A/3065 ADR/KF on sides. 3075.000 H A/3075 GG/JAN51 on sides. 3095.000 H A/3095 ADR/KL on sides. 3500.000 HC6 ZDR 3500 on top, jan 61 MWH on side. 3710.000 H L/3710 ADR/OCT66 on top. 3500.000 HC6 ZDR 3500 on top, jan 61 MWH on side. 3752.575 A R/3752.575kc/s on top, crystal unit, oct63 MWH on side. 3840.000 H L/3840 on top.L/3840 ADR//KF on sides. 3850.000 H L/3850 on top. ADR/APL1958 on side. 3850.000 H L/3850 on top. L/3850 ADR/LC on sides. 3872.500 H CRYSTAL UNIT DATE APR 1945 REF No 10X 3872.5 SERIAL No ST160 3900.000 H QUARTZ PLATE DATE 6-45A REF No10X/ 3900(top). 2-JUL1945 on face. FREQ TYPE MARKINGS 4100.000 H CRYSTAL UNIT DATE OCT1943 REF No 10X4100 Serial No S583933 4200.000 H QUARTZ PLATE DATE 8-45A REF No 10X/4200 on top. 5-SEP1945 on face. 4206.037 A R/4206.037kc/s on top, crystal unit, feb62 MWH on side. 4250.000 H QUARTZ PLATE DATE 6-45A REF No 10X/4250 on top. 27-JUN1945 on face. 4270.000 G crystal unit, REF 10X/ 4270, Ser J BA, DATE-JULY1945, on top. 4379.000 H A/4379 ADR/KL on sides. 4388.330 G QUARTZ PLATE, REF 10X/ 4388.33, Ser H34014DA, DATE-NOV1942, on top. 4402.770 HC6 0879 E25 on side. 4410.000 H Std-Radio... DATE MAR1939 REF No 10X/4410 Serial No 3607 on top. 4430.000 H A/4430 R.N.C.G.U. RISLEY. on sides. 4470.000 H A/4470 ADR/KL on sides. FREQ TYPE MARKINGS 5047.000 H QUARTZ PLATE REF No 10X/5047 Serial No A102908 5200.000 H A/5200 ADR/HA on sides. 5200.000 H Std-RAdio... DATE MAY 1943 REF No 10X/5200 SerNo S466312. 5210.000 H QUARTZ PLATE DATE 6-45A Ref No 1-X/ 5210 5220.000 H L/5220 on top ADR./MM on side. 5230.000 H CRYSTAL UNIT (top). 4 NOV 1948, 10X5230, SNo R22063 on face. 5230.000 H CRYSTAL UNIT DATE MAR 1947 REF No 10x5230 Serial No 1 5230.000 H CRYSTAL UNIT DATE MAR 1947 REF No 10x5230 Serial No 60 5230.000 H CRYSTAL UNIT DATE APR 1947 REF No 10x5230 Serial No 140 5270.000 H Std-Radio... DATE OCT1943 REF No 10X/5270 Serial No S554074 5555.000 H Std-Radio... DATE DEC1942 REF No 10X/5555 Serial No S388910 5607.287 A R/5607.287kc/s on top, crystal unit, oct63 MWH on side. 5660.000 H Std-Radio... DATE AUG1942 REF No 10X/5660 Serial No S328152 5820.000 H QUARTZ PLATE, DATE 3-44 Ref No 10X/5820 5820.000 H QUARTZ PLATE, DATE 4-44 Ref No 10X/5820 5840.000 G QUARTZ PLATE, REF 10X/ 5840, Ser G96084DA, DATE-JUNE1942, on top. 5840.000 G crystal unit, REF 10X/ 5840, Ser J45464BA, DATE-NOV1943, on top. 5875.000 H QUARTZ PLATE, DATE 5-45 REF No 10X/5875 (top) 22MAY1945 (face) 5900.000 G crystal unit, REF 10X/ 5900, Ser J17981BA, DATE-SEPT1943, on top. 5900.000 G QUARTZ PLATE, REF 10X/ 5900, Ser G32263DA, DATE-NOV1941, on top. 5930.000 G QUARTZ PLATE, REF 10X/ 5930, Ser G35146DA, DATE-DEC1941, on top. 5938.575 A R/5938.575kc/s on top, crystal unit, sep63 MWH on side. 5945.000 H A/5945 ADR/KC on sides. 5960.000 H QUARTZ PLATE DATE 6-44 Ref No 10X/5960 5960.000 H QUARTZ PLATE DATE 9-44 Ref No 10X/5960 5960.000 H QUARTZ PLATE DATE 10-44A Ref No 10X/5960 5970.075 A R/5970.075kc/s on top, crystal unit, oct63 MWH on side. 5938.575 A R/5938.575kc/s on top, crystal unit, sep63 MWH on side. 5978.287 A R/5978.287kc/s on top, crystal unit, sep63 MWH on side. FREQ TYPE MARKINGS 6022.500 H NOV 1942 REF 10X/ 6022.5 Serial No S366022 6125.000 H DEC 1944 REF 10X/ 6125 Serial No S71 6125.000 H JUL 1942 REF 10X/ 6125 Serial No S329210 6125.000 H JUL 1942 REF 10X/ 6125 Serial No S329213 6206.667 D 15 on top and between pins, 6206.667 channel 15 on side. 6248.000 H BROOKES CRYSTALS LTD. 5248KC/S Type SS REF 19951 6400.000 G QUARTZ PLATE, REF 10X/ 6400, Ser G48594DA, DATE-SEPT1941, on top. 6450.000 G QUARTZ PLATE, REF 10X/ 6450, Ser H02640DA, DATE-JUNE1042, on top. 6505.000 H QUARTZ PLATE. DATE 11-43 REF No 10X/ 6505 Ser No A17297 6695.000 H CRYSTAL UNIT. DATE JAN 1947 REF No 10X/ 6695 Serial No 1 6730.000 H QUARTZ PLATE. DATE 8-45 AP57855 REF No 10X/6730 6770.000 H QUARTZ PLATE. DATE 6-45 A REF No 10X/ 6770 6850.000 H FREQ:K.C.6850(on top), S6850 ZA15646(on edge),MARCONI CANADA(ON FACE) FREQ TYPE MARKINGS 7040.000 H 7040KC ON TOP(LIGHT) 7050.000 H QUARTZ PLATE DATE 7-45 A REF No 10X/ 7050 7050.000 H QUARTZ PLATE DATE 9-45 A REF No 10X/ 7050 7050.000 H QUARTZ PLATE DATE 9-45 A REF No 10X/ 7050 7050.000 H QUARTZ PLATE DATE 11-45 A REF No 10X/ 7050 Case-Top re_stamped. 7120.000 H A/7120 ADR/JG on sides. 7130.000 H A/7130 GG/APR51 on sides. 7210.000 H FREQ7210KC on top_plate. ADMY(in triangle) T FREQ.... On face... 7220.000 G A/7220 ADR/HG on sides. 7250.000 H CRYSTAL UNIT DATE APR 1946 REF No 10X 7250 SERIAL No 2 7260.000 H A/7260 ADR/MA on sides. 7260.000 H CRYSTAL UNIT DATE OCT1944 RefNo10X7260 SerNo153.. R.8810 on sides. 7290.000 H CRYSTAL UNIT DATE OCT 1944 REFNo10X7290 SerNo 1042 S7290 ON SIDES. 7300.000 H CRYSTAL UNIT DATE OCT 1944 REFNo10X7300 SerNo 16 S7300 ON SIDES. 7810.000 G A/7810 ADR/HG on sides. 7290.000 G A7393 7290Kcs on side. 7810.000 G A/7810 ADR/HH on sides. 7900.000 G A/7900 GG/JUN50 on sides. FREQ TYPE MARKINGS 8007.690 G A/8007.69 GG/MAY50 on sides. 8007.690 G A/8007.69 GG/MAY50 on sides. 8007.690 G L/8007.69 ADR/ME on sides. 8040.000 H L/8040 on top, ADR/NA on side, FEB 1939 ADR/NA on face. 8322.860 H A/8322.86 R.N.C.G.U. RISLEY on sides. 8360.000 H CRYSTAL UNIT DATE OCT1944 REF No10X8360 SerNo2 (top). S8360 on sides. 8405.000 E frequency 8405.000kc on top, CR-1A/AR CW on side. 8435.000 H FREQ8435.000 DATE 3-1-43 on top-plate. SIGNAL CORPS DC-11-B etc... 8480.000 H A/8480 R.N.Q.C.O. RISLEY. on sides. 8498.180 H 86M/2/R8698.18 105.48 paper-top-label. A/8498.18 GG/NOV50 on sides. 8525.000 D 384 on top and between pins, 8525kc chan384 RCA on side. 8678.180 H A/8678.18 R.N.Q.C.O. RISLEY. on sides. FREQ TYPE MARKINGS 10223.000 H CRYSTAL UNIT DATE OCT1945 REF No 10X10223 SerNo ST73(top). AP/60292 12495.000 H BROOKES CRYSTALS LTD 12496KC/S TYPE SS REF 19952 on top-plate. 14027.500 HC6 ZDP 14027.5 on top, SEP59 on side. 15000.000 HC6 STC 4046/2 RL7065 146M on one side, FREQ KC 15000 8-55 on other. FREQ TYPE MARKINGS 20700.00 F channel 7, 20.7MC on top. This channel numbering suggests 100khz 21200.00 F channel 12, 21.2MC on top. channel spacing giving 20.00mhz=chan1. 21200.00 F channel 12, 21.2MC on top. 22200.00 F channel 22, 22.2MC on top. SC6441A on side. 26000.00 F channel 60, 26.0MC on top. FREQ TYPE MARKINGS 33667.000 HC6 Crystal Electronics on side. 33667.000 HC6 Crystal Electronics on side. 33667.000 HC6 Crystal Electronics on side. 35400.00 F channel 354, 35.4MC on top. ---------------------------------------------------------------------------------------------------------------- COPYRIGHT 2008 SARAHBLUCK / OES ENGINEERS. ----------------------------------------------------------------------------------------------------------------