Leeds & Northrup apparatus at the Louisiana Purchase Exposition 1904 (1904)
Leeds and Northrup Company · Leeds and Northrup Company · leaf 18
dinto which the ends of a cable may be soldered. Immersed in oil, as aprecision standard of resistance it has a current carrying capacity of 32amperes. Used for measuring current to a lesser degree of accuracy itwill carry 100 amperes or more. Apparatus for Measuring Low Resistances The variable… … 4300 The apparatus is based on the principle of the Kelvin double bridge, 1 full description of which see our Pamphlet No. 4 on Standard Resistances, It is novel in that it makes use of a variable standard low tead of a continuously variable set of ratio coils. A careful calculation of the number…
Electricity · Electrical Equipment · Electric Circuits · Electronics
Internet Archive · Building Technology Heritage Library · Public Domain Mark 1.0. Free to use for anything.