Similar
![[Powder magazine for the Navy Department, Gosport Navy Yard, Portsmouth, Virginia. Elevation, section, plan]](https://cache.getarchive.net/Prod/thumb/cdn18/L3Bob3RvLzIwMTkvMTAvMTQvcG93ZGVyLW1hZ2F6aW5lLWZvci10aGUtbmF2eS1kZXBhcnRtZW50LWdvc3BvcnQtbmF2eS15YXJkLXBvcnRzbW91dGgtdmlyZ2luaWEtZTA3MmU5LTY0MC5qcGc%3D/40/61/webp "[Powder magazine for the Navy Department, Gosport Navy Yard, Portsmouth, Virginia. Elevation, section, plan]")
Related
Heliograph (Rankin Kennedy, Electrical Installations, Vol V, 1903)
Summary
Heliograph (Rankin Kennedy, Electrical Installations, Vol V, 1903).jpg
Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description
Tags
Date
1903
Source
Scan from Kennedy, Rankin (1903 edition (five volumes) of pre-1903 four volume edition.) Electrical Installations, vol. V, London: Caxton
Copyright info
public domain
