Our boys; what they can do and how to do it (1893)
Stoddart, William, [from old catalog] comp · New York, Hunt & Eaton; Cincinnati, Cranston & Curts · leaf 23
bout -^ of an inch. Thefirst nuts should be screwed up as far as0 they will go and the second disks firmlypressed down against them. Now windthe spools with No. 24 cotton-coveredmagnet-wire if it is desired to use theInstrument only at home on a very short circuit. If it is to beused on a line… … FLg.4. O Oe Of and about y\- in.thick, at equaldistances fromthe ends ofwhich two holes1^ in. apart fromthe centers mustbe drilled, to ad-mit the ends ofthe bolts. Twosmaller holes forwood-screws tofasten the mag-net to the basemust also bedrilled \ in. from the ends. This strip of iron is fastened…
Handicraft · Amusements · Sports
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