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Early Whitall Tatum Book on Standardizing Measures |
Peter Horner |
May 14, 2013 |
|
229 |
Whitall Tatum's Hemingray No. 55 Blueprint |
Peter Horner |
May 14, 2013 |
|
268 |
Whitall Tatum Memo for Hemingray No. 55 |
Peter Horner |
May 14, 2013 |
|
204 |
A T & T Bridle Wire Memorandum from Whitall Tatum Diagram |
Peter Horner |
May 14, 2013 |
|
205 |
A T & T Bridle Wire Memorandum from Whitall Tatum |
Peter Horner |
May 14, 2013 |
|
265 |
Pyrex 194.5 and 195.5 Patent Pic 3 |
Peter Horner |
May 12, 2013 |
|
208 |
Pyrex CD 194.5 and 195.5 Patent Front page |
Peter Horner |
May 12, 2013 |
|
203 |
Pyrex CD 194.5 and 195.5 Patent |
Peter Horner |
May 11, 2013 |
May 12 |
467 |
Potheads in service at a substation |
Colin Jung |
May 8, 2013 |
|
336 |
Catalog cut of an Ohio Brass Pothead |
Colin Jung |
May 8, 2013 |
|
320 |
Substation Porcelain Pothead - Interior markings |
Colin Jung |
May 8, 2013 |
|
203 |
Substation Porcelain Pothead--- Bottom View. |
Colin Jung |
May 8, 2013 |
|
197 |
Substation Porcelain Pothead Top View |
Colin Jung |
May 8, 2013 |
|
197 |
Porcelain Pothead for Substation Use.... Ohio Brass? |
Colin Jung |
May 8, 2013 |
|
476 |
Crackle Glass Price Guide Page 146 |
Fred Collier |
April 24, 2013 |
|
354 |
Crackle Glass Price Guide Update |
Fred Collier |
April 24, 2013 |
|
337 |
German telegraph insulator |
George Sukhoff |
April 19, 2013 |
|
243 |
Kuznetsov bat-eared insulators |
George Sukhoff |
April 19, 2013 |
|
218 |
CD 321 overpour |
Paul Greaves |
April 7, 2013 |
|
212 |
CD 321 overpour |
Paul Greaves |
April 7, 2013 |
|
192 |
CD 321 overpour |
Paul Greaves |
April 7, 2013 |
|
219 |
Montana Power pins |
David Dahle |
March 30, 2013 |
|
436 |
Crackle Glass Price Guide Page 146 |
Fred Collier |
March 19, 2013 |
|
368 |
Crackle Glass Price Guide |
Fred Collier |
March 19, 2013 |
|
368 |
CD 104 Wm. Brookfield /New York (Daylight Photo) |
Jack Kesling |
March 7, 2013 |
|
326 |
CD 104 Wm. Brookfield /New York |
Jack Kesling |
March 7, 2013 |
September 9 |
489 |
Lightning protection spike on U-1542. |
Chris Ronayne |
March 2, 2013 |
|
304 |
John & Carol McDougald's 'Insulators" book V.1&2 |
Chris Ronayne |
February 7, 2013 |
|
346 |
KCGW Tall and Short |
Brent Burger |
February 2, 2013 |
|
294 |
Lowex Radio Treated Insulators |
Bob Stahr |
January 23, 2013 |
|
375 |
Misc Fred M.Locke paper ephemera |
Mike Spadafora |
January 6, 2013 |
|
287 |
Fred M.Locke, Victor, N.Y. cloud postcard |
Mike Spadafora |
January 6, 2013 |
June 28 |
279 |
CD 158.9 concept? |
David Dahle |
January 1, 2013 |
|
457 |
Example of a mid-1970's insulator list - Page-12 |
Bob Berry |
December 31, 2012 |
|
345 |
Example of a mid-1970's insulator list - Page-7 |
Bob Berry |
December 31, 2012 |
|
311 |
Example of a mid-1970's insulator list - Page-4 |
Bob Berry |
December 31, 2012 |
|
324 |
Example of a mid-1970's insulator list - Page-1 |
Bob Berry |
December 31, 2012 |
|
471 |
Matthews Fuse Switches in a 1915 Catalog |
Richard Case |
December 3, 2012 |
|
353 |
Insulators in a 1915 Catalog |
Richard Case |
December 3, 2012 |
|
284 |
Hemingray Insulators in a 1915 Catalog |
Richard Case |
December 3, 2012 |
|
258 |
Insulators in a 1915 Catalog, Universal Fire plugs |
Richard Case |
December 3, 2012 |
|
272 |
Odd Ball Insulator No. 41 Long double petticoat |
Richard Case |
December 3, 2012 |
|
264 |
No. 41 Hemingray Insulator in a 1915 Catalog? |
Richard Case |
December 3, 2012 |
|
527 |
Classic Ohio Brass add |
Mike Spadafora |
November 24, 2012 |
|
247 |
The Big And Small Of It: Pyrex CD 100.5 and CD 370.6 |
Dan Gauron |
November 13, 2012 |
|
319 |
1905 Locke Ad -- Gold Medal 1904 St. Louis Exposition |
Elton Gish |
October 28, 2012 |
|
401 |
Unusual Thomas Strain Insulator |
Elton Gish |
October 7, 2012 |
|
453 |
Another Nice Hammond Cleat Ad from 1893 |
Elton Gish |
October 7, 2012 |
|
348 |
Beautiful Hammond Cleat Ad |
Elton Gish |
October 7, 2012 |
|
401 |
1911 Hemingray Ad |
Elton Gish |
October 7, 2012 |
|
393 |