Leeds & Northrup apparatus at the Louisiana Purchase Exposition 1904 (1904)
Leeds and Northrup Company · Leeds and Northrup Company · leaf 18
stances required to measure any resistance from .00001 to .1 ohm to an accuracy of ,!-, of i< .meed us that the result could be more economically gotten by using a variable low resistance and a few ratio oils rather than by using a \l-\v low resistances and a large set of variable ratio coils.… … 4300. Variable Standard Low Resistance $210 00 11m- construction of tin- variable resistai own in the diagi AB i- a lir.ivv piece <»t resistance metal .if uniform cross section and uni- t8 THE LEEDS & NORTHRUP COMPANY form ce per unit of length; CD is another piece of resistance metal of…
Electricity · Electrical Equipment · Electric Circuits · Electronics
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