CD 160 Mold and Shop Numbers

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Contents

Mold Years

Year Armstrong
(1949)
Hemingray
(1934)
Hemingray
(1938)
Whitall Tatum
(1943)
1934        
1935   X[AJG]    
1936   X[AJG]    
1937   X[TD]    
1938   X[AJG]    
1939     X[AJG]  
1940     X[AJG]  
1941        
1942     X[AJG}  
1943       X(::)[AJG]
1944     X[AJG]  
1945        
1946        
1947     X[AJG]  
1948        
1949        
1950     X[AJG]  
1951     X[AJG]  
1952     X[AJG]  
1953 X[AJG]      
1954     X[AJG]  
1955 X[AJG]   X[AJG]  
1956     X[AJG]  
1957        
1958        
1959        
1960        


N.B.

  • CD 160 ARMSTRONG [010] mold set was made in 1949.[1]
  • CD 160 HEMINGRAY [100] mold set was made in 1934. Large lettering.[2]
  • CD 160 HEMINGRAY [050] and [130] mold set was made in 1938. Small lettering.[3]
  • CD 160 WHITALL TATUM [020] mold set was made in 4Q 1943. Dots around year indicate the quarter.[4]
  • Years marked with a gray background do not exist. 1960 is an arbitrary date by which all CD 160s had certainly ceased being produced. Armstrong mold drawings for the CD 160 are marked "obsolete" as of 1957.[5]

Mold Numbers

Mold Armstrong
(1949)
Hemingray
(1934)
Hemingray
(1938)
Whitall Tatum
(none)
Whitall Tatum
(1943)
0 X[AJG]       X[AJG]
1 X[AJG] X[TD] X[AJG] X[AJG] NA
2 X[AJG] X[AJG] X[AJG] X[AJG] X[AJG]
3 X[AJG] X[AJG]   X[AJG] NA
4 X[AJG] X[AJG] X[AJG] X[AJG] X[AJG]
5   X[AJG] X[AJG] X[AJG] X[AJG]
6   X[AJG] X[AJG] X[AJG] X[AJG]
7 X[AJG] X[AJG] X[AJG] X[AJG] X[AJG]
8 X[AJG] X[AJG] X[AJG] X[AJG] NA
9   X[AJG] X[AJG] NA NA
10     X[AJG] X[AJG] X[AJG]
11 X[AJG] X[AJG] X[AJG] X[TD]  
12   X[TD] X[AJG]   NA
13 X[AJG] X[AJG] X[AJG] X[AJG] X[AJG]
14   X[AJG] X[AJG] X[DA] X[AJG]
15 X[AJG]   X[AJG] X[AJG] X[AJG]
16 X[NRW] X[AJG] X[AJG] X[AJG] X[AJG]
17     X[AJG]    
18   X[AJG] X[AJG]    
19     X[AJG]    
20     X[AJG]    
21   X[AJG] X[AJG]    
22     X[AJG]    
23     X[AJG]    
24     X[NRW]    
25   X[AJG] X[AJG]    
26     X[AJG]    
27     X[AJG]    
28   X[AJG] X[AJG]    
29     X[AJG]    
30     X[AJG]    
31     X[AJG]    
32          


N.B.

  • ARMSTRONG and WHITALL TATUM have never had a mold number over 16 found.[6]
  • The 1934 and 1938 HEMINGRAY sets have never had a mold number over 32 found.[7]
  • WHITALL TATUM molds marked NA are known not to exist[8].
  • WHITALL TATUM (None) mold set comes in two styles. A "pinch dome" and a "normal". Molds 1, 3, 4, and 13 are "pinch".
  • HEMINGRAY 1938 mold set comes in two styles. Molds 19, 20 and 30 are "fat", all the rest are "narrow".
  • HEMINGRAY 1938 mold set has blotouts reported for 6-8, 9 (probably), 17, 19, 20-22, 25, 27, 30, and 31. It appears likely that ALL of this mold set have a blotout, and the [050] EIN that indicates no blotout really doesn't exist.

Shop Numbers

  • BROOKFIELD (Dome) - 1[AJG], 3[AJG], 4[AJG]
  • GAYNER - 1- 3[AJG], 5-8[AJG], 10-11[AJG]
  • HEMINGRAY (Dome) - unreported to date
  • LYNCHBURG - "pinch dome" Gayner style: 1[TD], 4[AJG], 5[JS], 7[SB], 10[RW]. "fat dome" Lynchburg style: 1[JS], 2[JS], 3-7[AJG], 8[JS], 10-11[AJG]


N.B.

  • BROOKFIELD can be [010] or [015], but these are the same molds with and without drip points.
  • BROOKFIELD numbers 1, 3, and 4 are all backwards. The 3 also occurs as a "double struck" 3.
  • HEMINGRAY is the [005] EIN.
  • K.C.G.W. and NO NAME are listed in the Price Guide with [Number]. However, these are style numbers and not shop numbers.[9]

Insulator Reportings

  • [AJG] In the collection of Andrew Gibson as of 05/15/2013
  • [JS] In the collection of Justin Stoudt as of 06/10/2009
  • [NRW] Recorded in the archives of N.R. "Woody" Woodward as of 06/10/2009
  • [RW] In the collection of Richard Wentzel as of 06/10/2009
  • [SB] In the collection of Steve Blair as of 06/10/2009
  • [TD] In the collection of Terry Drollinger as of 06/10/2009, 11/08/2009, 12/8/2009
  • [DA] In the collection of Dwayne Anthony as of 12/21/2010

Terry Drollinger, May of 2011 purchased a pinch dome Lynchburg shop number 6.

Footnotes

  1. Andrew Gibson. Only one mold year has been found.
  2. Andrew Gibson. O_4 is the only date marking found.
  3. Andrew Gibson. After discussion with Bob Stahr and Bill Meier at Springfield in 2006(?), it appears that the 1934 mold set was re-worked. The mold dates were blotted out, and re-engraved as 38, and the lettering was reduced in size. The would be the [130] with the blotout. It is unclear whether new molds were made or not, which would be the [050] without the blotout.
  4. Andrew Gibson. 43:: is the only date code found on this style.
  5. Andrew Gibson. Copies of Armstrong blueprints from Richard Wentzel show the mold for the CD 160, and they have a hand written "Obsolete 9/19/57" across one corner.
  6. According to this study to date.
  7. According to this study to date.
  8. Whitall Tatum did not use these mold numbers, on any of their insulators, per N.R. Woodward. This mainly refers to the Whitall Tatum insulators manufactured by Armstrong.
  9. Arlen and Gene believe that these are style numbers, not shop numbers. "2" is the only reported number, and other K.C.G.W. styles have different numbers.

References

  • Blair, Steve. Photos by Terry Drollinger after seeing Steve's collection post-Springfield, 2008.
  • Drollinger, Terry. Various correspondence.
  • Gibson, Andrew. All in personal collection as of 05/15/2013 unless otherwise noted.
  • Hawkins, Gene. Personal correspondence 6/12/2009.
  • Rienstra, Arlen. Personal correspondence 6/11/2009.
  • Stoudt, Justin. Various correspondence.
  • Wentzel, Richard. Various correspondence.
  • Woodward, N.R. Various correspondence.
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