Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 124
ough the position proper for reflection of thesparks to the eye ; others of the sparks will not be seen, owing tothe mirror being unsuitably situated at the moment of theiroccurrence. The rotation of the mirror will of course distort, by drawingout in the direction of the motion any spark that…
Electricity
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