Description
this 28 SWG bare constantan wire on a 125g reel holds resistance stable as the surrounding circuit heats up
used to map the circular field around a current-carrying wire and confirm the right-hand rule
and tubing
Matte-white painted screen 100 x 100mm in size
this decade box selects cascaded values for RC-time-constant
Single-Phase Rheostat, 300 x 56mm Meters_Electrical this 28 SWG bare constantanThree hundred thirty ohm 0. 95A single phase rheostat on a 300x56mm tube with cover protected constantan winding and 4mm safety socket terminals, at plus or minus 10% nominal value tolerance.
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