I 
 
 y 
 
 MDDC - 746 
 
 UNITED STATES ATOMIC ENERGY COMMISSION 
 
 ASSEMBLY OF THIN WALL GEIGER COUNTER 
 
 Argonne National Laboratory 
 
 Date Declassified: 
 
 January 22, 1947 
 
 Issuance of this document does not constitute 
 authority for declassification of classified 
 copies of the same or similar content and title 
 and by the same author. 
 
 Technical Information Division, Oak Ridge Operations 
 AEC, Oak Ridge, Tenn., 1-7-49--850-A3701 
 
 Printed in U.S.A. 
 PRICE 5 CENTS 
 
Digitized by tine Internet Arcfiive 
 
 in 2011 with funding from 
 
 University of Florida, George A. Smathers Libraries with support from LYRASIS and the Sloan Foundation 
 
 http://www.archive.org/details/assemblyofthinwaOOargo 
 
MDDC - 746 
 
 •iH 
 
 Fx4 
 
 ^ 
 
 3 
 
 < " 
 
 1- - 
 
 o 
 
 O 
 
 • 
 
 
 < 
 
 _J - 
 
 into 
 
 O 1— 
 
 (U 
 
 
 0- 
 
 -Ij 
 
 f-> 
 
 V - 
 
 o5 
 
 a 
 
 ) 
 
 en 
 o 
 
 •1-i 
 
 fc 
 
 1 1 
 
 ^ 
 
 
 o o 
 
 
 o o 
 
 
 
 O 1" 
 
 
 
 3inNiw y3d siNnoo 
 
Ai-L SCREW HOLES 
 "EQUAL RADIUS 
 
 DETAIL A 
 
 DURAL ST-17 OR DOW METAL 
 
 3 EQUALLY SPACED HpLES 
 TAP NO. 6-32 
 
 8 EQUALLY 
 SP*?!,?, "P'-ll L THIS DIMENSION 
 TAP NO. 4-36 TO BE SPECIFIED 
 
 BY -HOP FOREMAN 
 
 DETAIL B 
 BRASS 
 
 NOTE: DIMENSIONS ARE IN INCHES 
 
 1 , 
 
 HOLE to 
 TAKE DETAIL F 
 
 ioo 
 
 SPACED HOLES -» 
 
 DETAIL C BODY DRILL FOR 
 BRASS NO. 4-36 IRON 
 
 FILISTER HEAD 
 SCREWS 
 
 PYREX GLASS INSULATOR 
 
 KTntA V9LA93 IPUUI-Hivn — 1 -^ 
 
 ■ff STANDARD GLASS TUBING . F'N "| -^ 
 
 9_ 
 
 3211-1- 
 
 DETAIL G 
 
 ^LASS 
 
 KOVAR WIRE 
 
 32fL._^ 11 16 
 
 1 .*T 0.00615- I 
 
 Id HOLE ^ ^ THlbKy 
 
 DETAIL H 
 PHOSPHOR BRONZE SPRING 
 
 
 a^ 
 
 -14- 
 
 weld' 
 
 STANDARD^ 
 ^KOVAR TUBE 
 
 ^E¥ 
 
 3 
 
 -M 
 
 DETAIL E 
 
 ^. 
 
 3 E 
 
 -6 0A- 
 
 4li 
 
 DETAIL D '* 
 
 NEOPRENE GASKET 
 
 DETAIL F 
 
 ioD COPPER TUBE 
 
 STANDARD 
 
 H^, 
 
 8 EQUALLY SPACED 
 SCREWS NO. 4-36 
 
 -3 EQUALLY SPACED HOLES 
 TAP NO.6-32 
 
 Figure 5. Details and assembly of thin wall Geiger counter. 
 
MDDC - 746 
 
 Photograph A. 
 
MDDC - 746 
 
 Photograph B. 
 
MDDC - 746 
 
 Photograph C. 
 
 END OF DOCUMENT 
 
UNIVERSITY OF FLORIDA 
 
 3 1262 08910 5703