rned 33 or No. 34 wire, and has out "with jack knife and a resistance of about 10 pliers," will give results ohms, or 20 ohms for the closely approaching those complete set of two. The received from a more elabo- third coil is wound with rate and costly instrument. No. 36 wire. Nearly }4 Fig. 1… … ruled to millimeters and cardboard 2 inches by 14 Fig. 5.-NEEDLE Fig. 4.-F0KH FOB WINDING FK 2. KETHOD OF KOUNTING shellacked to the board. inch was pierced, and the SUSPENSION. COILS. PLAIN LENS. The tin shade is simply needles stuck through it, as in Fig. 5, and held by a drop of hot sealing wax.…
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