NEW YORK, JULY 25, 1891. $3.00 A YEAR. Vol, LXV.—No. oo ESTABLISHED 1845. WEEKLY. … SEYARA AQ AL first in order, with a probable purchase to follow. knife edge which readily enters between the The engravings are one-third the actual size, switch tongues. The switch has a T-handle of hard rubber, by means of which it is turned. A linear measurement. SIDE VIEW OF FIELD MAGNET,…
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