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).
Letter from Pritchett & Gold discussing the results of intensive life tests on various batteries.
| Identifier | ExFiles\Box 54\1\ Scan162 | |
| Date | 28th October 1929 | |
| X4617P. DIRECTORS. SIR ARCHIBALD G. {Mr Griffiths - Chief Accountant / Mr Gnapp} GOLD. WILLIAM PETO. F.C. GRAHAM MENZIES. C.R.D. PRITCHETT. G.R.N. MINCHIN. T.W. PRITCHETT. Telephone No RAINHAM 34. Telegrams "PRITCHETT, DAGENHAM" CODES USED: BENTLEYS, OR A.B.C. 5TH EDITION. PRITCHETT & GOLD and E.P.S. COMPANY, LIMITED. WITH WHICH IS INCORPORATED THE BUSINESS OF PETO & RADFORD. ESTABLISHED 1882. MANUFACTURERS OF STORAGE BATTERIES. LONDON OFFICE, 50, GROSVENOR GARDENS, VICTORIA, LONDON, S.W.1. Please reply to Dagenham Dock, ESSEX. Station: Dagenham Dock, (Mid.Rly Tilbury Section) YOUR REFERENCE OUR REFERENCE CGFP/4. 28th October, 1929. E. {Mr Elliott - Chief Engineer} Fowler Clark, Esq., St. {Capt. P. R. Strong} Leonards, Trowels Lane, DERBY. Dear Mr. Fowler Clark, I enclose herewith copies of the curves showing the results obtained on an intensive life test on various batteries. I should be glad if you would consider these as for your personal information only, as we are not keen that they should be circulated publicly. With regard to the curves showing the Young battery, these were taken on the same principle as the others, but as you will see from the curve the input for the first 40 cycles was only 25% excess instead of 50. In the case of our own battery we did not carry the test on after the Young battery collapsed. The Tudor battery shown refers to the German Varta which is a competitive battery sold in large | ||