Inside Out Library · Explore

Scientific American, Vol. 93, No. 1 (July 1905) (1905)

leaf 9

An illustration from Scientific American, Vol. 93, No. 1 (July 1905), 1905, leaf 9
0 candle power, producing a total of the whole of the 6%. square miles occupied by the res- the Subway Superintendent, A. L. Merritt. over 54,000 candle power. From a photographic point ervoir, carrying out this cleaning operation until of view, on account of the great actinic quality of the either… … high-water level. This be awarded for a good THE 54,000 CANDLE POWER COOPER HEWITT MERCURY ARC LAMPS. dike consists of an earth form of crane or hoist embankment, with an impervious concrete core wall, provided with a simple and practical device which were nine banks of eight 55-inch mercury-vapor…

Apparatus · Motor · Engine · Patents · American homes · Scientific American · Cooper hewitt · Boston water · Gold medal · Gasoline engine · York city · Gas engine · Smith premier · Real estate

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from Scientific American, Vol. 93, No. 1 (July 1905)

More like this