Cassetta di resistenze a decadi

Descrizione e caratteristiche fisiche

A Decade Resistance Box is a simple piece of test equipment with two terminals that allows the user to select one of numerous values of resistors. It has six switches, one for each decade of resistance, so you can dial in any resistance (from 1Ω to 999.999kΩ) in one ohm steps.

Bibliografia & sitografia

• Heathkit, Radio equipment catalog, fall & winter 1963, archive.org/details/TNM_Radio_equipment_catalog_1963

• WikipediA: Heathkit, en.wikipedia.org/wiki/Heathkit