Leeds & Northrup apparatus at the Louisiana Purchase Exposition 1904 (1904)
Leeds and Northrup Company · Leeds and Northrup Company · leaf 26
jj5u with 2254 2250. DArsonval Galvanometer, Type M, without tube and coil $25 o° 2252. Type S Tube and Coil for same 35 00 2254. Type M Tube and Coil for same 85 00 The magnet No. 2250 is made by a special process and is unusuallypowerful. It is arranged so that it will take either of the tubes…
Electricity · Electrical Equipment · Electric Circuits · Electronics
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