Railway semaphore signal repeater (Rankin Kennedy, Electrical Installations, Vol V, 1903).

• Contributor: Eraza Collection / Alamy Stock Photo
• Image ID: 2F5KB03
• File size: 5.7 MB (162.3 KB Compressed download)
• Releases: Model - no | Property - no
• Dimensions: 1423 x 1406 px | 24.1 x 23.8 cm | 9.5 x 9.4 inches | 150dpi

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This image could have imperfections as it’s either historical or reportage.

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