alled upon to help coal the ship or per- these institutions includes the drills of the soldier, being used as a perfect substitute for daylight, while form other tasks which rank as the especial duties company and battalion, skirmishing, target practice, (Continued on page 111.) of the enlisted men… … Fig. 1.—The Cooper Hewitt Lamp in the Photographic Studio. mucn t0 expect a set of 2.—The Cooper Hewitt Lamp Used for Printing. THE MERCURY VAPOR LAMP FOR PHOTOGRAPHIC WORK.
Apparatus · Poison · Patents · Munn · Lamp · Vapor · Mercury vapor · Scientific American · Animals immune · Touring car · American august · Great Britain · Vapor lamp · Corn ground · Marine corps · Mount pilatus
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