| << Viewing Record 26 of 1323 >> View : Light Box | List View | Image List | Detailed |
|
ID number: BIRRC-P0570 Institution: Research and Cultural Collections Named collection: Historic Physics Collection Artist / Maker: The General Electric Co. Ltd. Title / Object name: A.C. Volt and Wattmeter Object type: Electrical instrument Place made: Salford Date made: c. 1909 Materials: Various in wooden case Measurements: 32.5 x 26.5 x 15 cm |
|
|
This is an electrodynamometer type instrument for use at 50 Hz with a linear scale of Watts and non-linear scale of Volts up to 100 or 200V. The power measurement requires the use of a quadrature transformer. Instructions and a calibration certificate are in the lid. These are dated 1 Sept. 1909 and give the instrument serial number as 162W. Inscriptions / Translations: PORTABLE STANDARD WATTMETER |
|
2 Related Media Items
|
BIRRC-P0570a.jpg |
BIRRC-P0570b.jpg |
| << Viewing Record 26 of 1323 >> |