Resistance Box

•In polished, wooden or painted, metal case. coils of various resistance, wound non inductivity with precise adjustment of their valves, are mounted underneath an insulated, Bakelite panel. On top of this panel, heavy brass blocks are mounted, provided connection across the resistance coils, with brass terminals at ends for electrical connection. Set of milled head plug, accurately tapered to fit the holes between the brass blocks, are interchangeable and provide very low contact resistance. Accuracy .1%.

Range Amp No of Plugs Resistance amp.

A ) 0.1-.5 9 1.1

B ) .1-1 6 2

C ) .1-5 9 11

D ) 1-100 10 210

E ) 1-500 13 1110

F ) 1-1000 14 2110

G ) 1-5000 17 11110