Fig. 72.—Author’s Main Switch—Bent Spring Pattern. details
![[image]](http://www.fromoldbooks.org/Walker-ElectricLightingForShips/pages/072-main-switch-bent-spring-pattern/072-main-switch-bent-spring-pattern-q75-1477x1050.jpg "[image]")
Notes:
“Figs. 72 and 75 show the author’s form of large switch.”
Fig. 72.—Author’s Main Switch—Bent Spring Pattern. details |
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| Image title: | Fig. 72.—Author’s Main Switch—Bent Spring Pattern. | |
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| Source: | Walker, Sydney F.: “Electric Lighting for Marine Engineers” (1892) | |
| Place shown: | none | |
| Keywords: | switches, electrics, diagrams, handles, greyscale | |
| Status: | public domain in the USA, out of copyright in Canada, hence royalty-free stock image for all purposes and no usage credit required | |
Notes: |
“Figs. 72 and 75 show the author’s form of large switch.” |
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| Dimensions: | 145 x 110mm (5.7 x 4.3 inches) | |
| Filename: | 072-main-switch-bent-spring-pattern-q75-1477x1050.jpg | |
| Blog link: | http://www.fromoldbooks.org/Walker-ElectricLightingForShips/pages/072-main-switch-bent-spring-pattern/072-main-switch-bent-spring-pattern-q75-500x355.jpg | |
| Scanner dpi: | 1400 | |
| Comment: | Add a link, leave a comment or change keywords | |
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