From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Specification and connection diagram for a Weston Model 163 Instrument Box.
| Identifier | ExFiles\Box 165\3\ img027 | |
| Date | 1st August 1919 | |
| Page: -4- Table Columns: Description, Number and connections, Volt ranges, Ampere ranges, Resistances (ω), Remarks. Row 1: Weston | 42 | .0181 (at 15°C.) | .0100 | .81 (at 15°C.) | Instrument only. Row 2: Box. | | | .01525 | 1.185 (at 15°C.) | Instrument shunted. Row 3: Instrument | [Wiring Diagram with labels V, A, sh sw. Terminals labeled 15, 1.5, +, 600, 150] | 1.5 | X | 150 | Internal volt coil Row 4: Model 163. | | 15 | 1.5 | 1500 | box. Row 5: | | 150 | 15 | 15000 | Row 6: | | 600 | | 60000 | Bottom Section: - 'Number and connections' column: Contains text from diagram '600 150 +', '+ 15 1.5', and a large 'X' crossing the cell. - 'Volt ranges' column: Contains a large 'X' crossing the cell. - 'Ampere ranges' column: Contains values '1.5', '15', and '.0341'. - 'Resistances' column: Contains values '.03135' and '.00341'. - 'Remarks' column: Contains 'Internal shunts.'. Right Margin Text: R.R. 286A. 100 I. (S) 159. 8-19. | ||