Franklin

Experiments on Mr. Babbage's method of distinguishing light-houses : reported to a committee of the United States Light-House Board / by J.H. Alexander.

Author/Creator:
Alexander, J. H. (John Henry), 1812-1867.
Publication:
Washington : G.P.O., 1861.
Format/Description:
Government document
Book
116 p. : ill. ; 23 cm.
Status/Location:
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Other records:
Subjects:
Lighthouses -- Lighting.
Oils and fats.
Steam-whistles.
Contents:
Experiments on Mr. Babbage's method of distinguishing light-houses
First [-third] report on oils [signed : J.H. Alexander, Campbell Morfit]
Report on fog-signals by steam.
Contributor:
Morfit, Campbell, 1820-1897.
United States. Light-House Board.
Edgar Fahs Smith Memorial Collection (University of Pennsylvania)
OCLC:
8888964