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).
Instructions regarding the testing and comparison of P&R Batteries, type BD-11, and the ampere-hours realised.
Identifier | ExFiles\Box 38\5\ Scan289 | |
Date | 6th December 1922 | |
RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. X. 3398 Dec. 6th 1922 To E.F.C Order No. PB.67 Customer's No. X 3398 P&R Batteries Type BD{Mr Berend}-11 Attached is a low rate discharge curve taken on the P&R battery BD{Mr Berend}11/2 to compare with those obtained with the BD{Mr Berend}11/1 when passing through its routine tests. The record sheet of BD{Mr Berend}11/1 is also attached for filing as this battery has been returned to the makers for examination and report. Ampere hours realised = 57. " " previously obtained during routine tests on BD{Mr Berend}11-1 = 51. Signed C.H.P. This Sheet must be filed on completion of the work. | ||