Volt Ammeter [Roller Smith]

Roller Smith Company, Manufacturer

Circa 1910
See full details

Details


Maker and Role
Roller Smith Company, Manufacturer
Production Date
Circa 1910
Description
A Volt Ammeter for measuring either voltage or amperage in AC. 3- 60 amps, 6-240v. Contained within a wooden box with a half hinged lid on top, opening from the side. There is a single leather strap on right hand side. At the from there are five alternating brown bakelite knobs, two have lost their bakelite covers. Next to each knob is a small brass coloured plaque with their measurement number on them, ranging from 6-240. The rear of the box has four protruding screws with circular nuts attached. Two of the screws are larger than the other two. Inside the unit is a glass window displaying the volt ammeter scale in white with black text and a single metal needle.
Media/Materials
Organic/Vegetal/Wood
Processed Material/Glass
Processed Material/Leather
Signature/Marks and Type
Alternating current Volt-Ammeter 50 cycles/ Not operative on direct current Printed
Made by the / Roller-Smith Co./ Bethlehem PA./ No.104835 Maker's Mark
Accession No
1979.90.1
Credit Line
Roller Smith Company. Circa 1910. Volt Ammeter [Roller Smith], 1979.90.1. The Museum of Transport and Technology (MOTAT).
Disclaimer

The development of MOTAT's online platform is a continual process. Records are updated regularly, with new information and images. There may be mistakes or omissions in the information provided and we welcome input from the public.

 Do you know something about this object? Contact us or comment below.


Be the first to comment.