The Maxim Electric Light and Power Co., Philadelphia. (1882)
United States Electric Lighting Company · United States Electric Lighting Company · leaf 20
d uniformity of structure,to any others in the market. PROJECTORS FOR STEAM-BOATS AND STEAM-SHIPS. ^HE cuts below show projectors for use on steam-boats and steam-ships. 1 The Ocean Projector consists of a parabolic reflector mounted upon trunnions and a swivel in such a manner that it can be…
Electricity · Lighting · Power supply
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.
