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 Bosch Limited detailing test results for a Dynamo.
| Identifier | ExFiles\Box 60\4\ Scan142 | |
| Date | 27th February 1932 | |
| TELEPHONE: SHEPHERD'S BUSH 2080 (4 LINES) TELEGRAMS: ELECBRIGHT, ACT, LONDON [Handwritten top center: X4562] BOSCH LIMITED HEAD OFFICES: LARDEN ROAD, ACTON LONDON, W.3. GLASGOW: 222, BOTHWELL ST.{Capt. P. R. Strong}, C.2 PHONE: CENTRAL 9154 TELEGRAMS: ELECBRIGHT, GLASGOW DIRECTORS: P. J.{Mr Johnson W.M.} A.{Mr Adams} CLAUSEN (British of Danish Origin) E.{Mr Elliott - Chief Engineer} SCHWER (German) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} JONES H.{Arthur M. Hanbury - Head Complaints} P. BAZELEY SOLE AGENTS IN GT. BRITAIN & IRELAND FOR BOSCH PRODUCTS MADE BY ROBERT BOSCH A.{Mr Adams} G.{Mr Griffiths - Chief Accountant / Mr Gnapp} STUTTGART MAGNETOS - DYNAMOS - ELECTRIC STARTERS SPARKING PLUGS - BICYCLE LIGHTING SETS HORNS - HEADLAMPS - INJECTION PUMPS NOZZLES - ACCESSORIES - LUBRICATORS Member of the S.M.T.A. H/BB. [Handwritten: WST] 27th February, 1932. Messrs. Rolls-Royce Limited, D E R B Y. [Handwritten diagonally: hs{Lord Ernest Hives - Chair}/wsc{W. S. Cassel}-] [Stamp: RECEIVED 29 FEB 1932 ROLLS-ROYCE LTD DERBY] Dear Sirs, With reference to the Writer's visit to your Works on the 18th instant in connection with Bosch Constant Voltage Dynamos, we would advise you that Bosch Limited returned to you the Dynamo RL. 200/12 No.16760 on the 17th instant. The test values were as follows:- Cut-in speed....... 750 R.P.M. " " voltage....... 15.5 v.{VIENNA} Regulation without load. 1000 rev. ..... 15.2 v.{VIENNA} 3000 " ..... 14.9 v.{VIENNA} Regulation with 200 watt resistance load. 1000 rev. ..... 13.2 v.{VIENNA} 3000 " ..... 13.1 v.{VIENNA} Return Current - 3.5 Amps. With regard to the test values for the RK.130/12 No.900 Dynamo, which you have in your test shop and taken from [Footer: C.R.A.D.E H.J.G. 5M.10/31] | ||