Electricity experimentally and practically applied; a book for the beginner and for the practical man, principles, experiments, practical applications and problems (1910)
Ashe, Sydney Whitmore · New York, D. Van Nostrand company · leaf 355
is protected. How to operate an Electric Projecting Lantern. — An outfit for anelectric projecting lantern comprises the following apparatus: one arc APPENDIX 333 lamp, either hand or automatic feed; one rheostat, either adjustable orfixed; one lantern box with appurtenances; one double-pole… … Me^hvs
Electricity · Electrical engineering
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.