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- Queen & Company Resistance Unit, 1893-1912 -

- 1893-1912
- Collections - Artifact
Queen & Company Resistance Unit, 1893-1912
- Resistor -

- Collections - Artifact
Resistor
- Western Electric Model 2-E Control Unit, 1930-1939 -

- 1930-1939
- Collections - Artifact
Western Electric Model 2-E Control Unit, 1930-1939
- Mountford Resistor, 1925-1935 -

- 1925-1935
- Collections - Artifact
Mountford Resistor, 1925-1935
- Resistor for Sun Motor Tester, 1945-1955 - A motor tester combined several different engine diagnostic instruments into a single unit. It was used to identify problems with ignition and electrical systems, vacuum pressure, engine speed (crankshaft revolutions per minute), and emissions. Racing driver Bobby Unser used this Sun motor tester and its accessories at the Unser garage in Albuquerque, New Mexico, early in his career.

- 1945-1955
- Collections - Artifact
Resistor for Sun Motor Tester, 1945-1955
A motor tester combined several different engine diagnostic instruments into a single unit. It was used to identify problems with ignition and electrical systems, vacuum pressure, engine speed (crankshaft revolutions per minute), and emissions. Racing driver Bobby Unser used this Sun motor tester and its accessories at the Unser garage in Albuquerque, New Mexico, early in his career.
- Resistor for Sun Motor Tester, 1945-1955 - A motor tester combined several different engine diagnostic instruments into a single unit. It was used to identify problems with ignition and electrical systems, vacuum pressure, engine speed (crankshaft revolutions per minute), and emissions. Racing driver Bobby Unser used this Sun motor tester and its accessories at the Unser garage in Albuquerque, New Mexico, early in his career.

- 1945-1955
- Collections - Artifact
Resistor for Sun Motor Tester, 1945-1955
A motor tester combined several different engine diagnostic instruments into a single unit. It was used to identify problems with ignition and electrical systems, vacuum pressure, engine speed (crankshaft revolutions per minute), and emissions. Racing driver Bobby Unser used this Sun motor tester and its accessories at the Unser garage in Albuquerque, New Mexico, early in his career.
- Resistance Grid, 1890-1920 -

- 1890-1920
- Collections - Artifact
Resistance Grid, 1890-1920
- Brown Devil Resistor, 1925-1935 -

- 1925-1935
- Collections - Artifact
Brown Devil Resistor, 1925-1935
- Westinghouse Style No. 159100 Resistor -

- Collections - Artifact
Westinghouse Style No. 159100 Resistor
- Resistor, 1925-1935 -

- 1925-1935
- Collections - Artifact
Resistor, 1925-1935