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| Group of Glass and Porcelain High Voltage Insulators Used for Utility Testing, c.1935. |
Joe Maurath, Jr. |
April 1, 2023 |
|
155 |
| Horatio Read's Improved Insulator Patent Page Overview, May 30, 1871. |
Joe Maurath, Jr. |
April 1, 2023 |
|
138 |
| Horatio Read's Insulator Patent Page, Closeup of Description and Text. May 29, 1871. |
Joe Maurath, Jr. |
April 1, 2023 |
|
130 |
| General Electric absolute cut-out. GE factory archive photo. |
Michael Spadafora |
February 22, 2023 |
February 23 |
160 |
| Second photo of a Lundin cut-out in service with Hemingray CD 1104 spools |
Michael Spadafora |
February 23, 2023 |
|
171 |
| Fort Wayne Absolute Cut-out in service |
Michael Spadafora |
February 22, 2023 |
February 23 |
178 |
| Absolute cut-out hangers for series street lamps- A photo essay. |
Michael Spadafora |
February 22, 2023 |
February 23 |
140 |
| General Electric Absolute cut out hanger with CD 281 Heningray |
Michael Spadafora |
February 22, 2023 |
February 23 |
141 |
| A Lundin Absolute cut-out in service with CD 1104 Hemingray spools |
Michael Spadafora |
February 23, 2023 |
|
163 |
| General Electric absolute cut-out street lamp hanger with Hewelett type insulator. |
Michael Spadafora |
February 22, 2023 |
February 23 |
125 |
| Three types of late General Electric absolute lamp cut-outs |
Michael Spadafora |
February 22, 2023 |
February 23 |
137 |
| CD 125 Hem. WU 5 - Purple |
Jack Kesling |
February 8, 2004 |
February 23 |
483 |
| CD 125 Hemingray No. 15 - Super Blue / SDP's |
Jack Kesling |
February 8, 2004 |
February 23 |
450 |
| Lundin Electric and Machien Co absolute street lamp cut-out with CD 1104 Hemingray spools. |
Michael Spadafora |
February 22, 2023 |
|
140 |
| Underside view of a Lundin hanger cut-out |
Michael Spadafora |
February 22, 2023 |
|
143 |
| Western Union Telegraph Company |
Stephen Bobb |
January 24, 2023 |
January 30 |
185 |
| CD-132 Dec. 19-1871 No. 2 - Sapphire Blue (Front) - Boone Co., IA |
Jack Kesling |
January 6, 2021 |
December 23 |
178 |
| Zinc Cartoon ? |
Michael Gibbons |
October 26, 2022 |
November 29 |
214 |
| Railroad Communications Pole and Openwire Circuits Detail Data Sheet. |
Joe Maurath, Jr. |
November 21, 2022 |
|
174 |
| California Glass Color Guidance: Peach |
Colin Jung |
November 30, 2013 |
October 4 |
495 |
| Drawing of non-existent Armstrong Deep Amber CD 154 on page 9 in Stuart's Insulator Guide |
David Whitten |
September 25, 2022 |
September 30 |
316 |
| CD 150 BARCLAY |
Bill Meier |
September 23, 2022 |
|
364 |
| CD-151 H.G. Co. (Front) - Cornflower -Chicago, Rock Island & Pacific RR - Near Moscow, IA |
Jack Kesling |
February 23, 2021 |
August 20 |
204 |
| CD 206.6 Harlow |
Bill Meier |
August 5, 2022 |
|
265 |
| Smithsonian Research Trip Feb,2013 |
Stephen Bobb |
July 25, 2022 |
July 26 |
165 |
| California Color Guidance: Confounding Light Yellow Green |
Colin Jung |
October 3, 2018 |
June 22 |
762 |
| CD-133.4 (Wormser Style) - SCA /Amethyst - Southwestern, Pennsylvania - Post No. 1 |
Jack Kesling |
November 16, 2020 |
June 21 |
154 |
| New Old Stock Duplex Pin for Brown's Ponies |
Brian Riecker |
May 13, 2022 |
|
157 |
| California Glass Color Guidance: Lilac |
Colin Jung |
November 29, 2013 |
April 24 |
423 |
| 1898 Western Electric page 421 - CD 151 |
Bill Meier |
March 14, 2022 |
|
574 |
| Pyrex glass - they don't make it like they used to! |
Bill Meier |
February 17, 2022 |
March 14 |
278 |
| Town of Hull Municipal Lighting Plant, MA, Incoming Transmission Line, c.1924. |
Joe Maurath, Jr. |
February 26, 2022 |
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275 |
| CD-145 K.C.G.W. Green /Aqua Duo - Chicago, Rock Island & Pacific RR - Eastern Iowa |
Jack Kesling |
February 28, 2021 |
February 19 |
271 |
| Rows of Eared CD 269 Jumbos on Earlier Section of Boston Orange Line RR |
Joe Maurath, Jr. |
February 16, 2022 |
|
305 |
| Short Pins Used with CD 267 and 267.5s in Timbers on the Boston Orange Line (1). |
Joe Maurath, Jr. |
February 13, 2022 |
|
160 |
| Crossmember-Arm Supporting CD 267 and 267.5 Insulators Used on Boston Orange Line |
Joe Maurath, Jr. |
February 13, 2022 |
|
186 |
| CD 267 and CD 267.5 Insulators and Crossarm Used on the Boston Orange Line. |
Joe Maurath, Jr. |
February 13, 2022 |
|
350 |
| Cross Timber or "Arm" Used Between Tracks on the Boston Orange Line. |
Joe Maurath, Jr. |
February 13, 2022 |
|
175 |
| Short Stubby Pins Along with CD 267.5 Insulator Used on the Orange Line Elevated RR |
Joe Maurath, Jr. |
February 13, 2022 |
|
162 |
| Short Pins Used with CD 267 and 267.5s in Timbers on the Boston Orange Line (2). |
Joe Maurath, Jr. |
February 13, 2022 |
|
157 |
| February 3, 1920 |
Philip Franco |
February 3, 2022 |
February 4 |
213 |
| Unity Insulator |
Elton Gish |
January 26, 2022 |
|
376 |
| Neutral Line Bracket |
Elton Gish |
January 22, 2022 |
January 26 |
385 |
| Goodyear Patent Rubber Ramshorns |
Elton Gish |
January 9, 2022 |
|
330 |
| Transmission Line Construction, methods & costs by Lundquist (digitized book) |
David Dahle |
January 1, 2022 |
|
214 |
| CD-124.3 Dec. 19 1871 - Straight Line Embossing - Boone Co. Iowa |
Jack Kesling |
July 14, 2021 |
December 18 |
176 |
| Just when you think you have a one of a kind! (CD 162 Hemingray w/ Amber Band) |
Bill Meier |
November 29, 2021 |
|
254 |
| Were Boston Bottle Works insulators used in California? |
Colin Jung |
October 18, 2021 |
October 21 |
444 |
| California Guidance: Taper Top and Square Dome Hoopskirts in the SAME glass color |
Colin Jung |
October 13, 2021 |
|
479 |
| Petticoat Beehives found in the wild # 4 |
Matt Weldon |
September 4, 2021 |
|
282 |
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Reference Information
