Section of revolving catoptric light; plan of revolving catoptric light
Summary
Illus. in: Plates Accompanying Report of the Secretary of the Treasury on the Improvements in the Lighthouse System and Collateral Aids to Navigation, detail of plate 16, (lower left).
On lower right: Lith. by Ed. Weber & Co. Balto.
On title page: Senate Document no. 488, 1st Session, 29th Congress, 1846.
Tags
Date
01/01/1846
Source
Library of Congress
Copyright info
No known restrictions on publication.