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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 concerning dynamo and coil ignition units, their wiring, and enclosed blueprints.

Identifier  ExFiles\Box 61b\4\  scan0168
Date  5th November 1931
  
TELEPHONE: SHEPHERD'S BUSH 2080 (4 LINES)
86128
TELEGRAMS: ELECBRight, ACT, LONDON
BOSCH LIMITED

HEAD OFFICES:
LARDEN ROAD, ACTON
LONDON, W.3.

GLASGOW:
222, BOTHWELL ST.{Capt. P. R. Strong}, C.2
PHONE: CENTRAL 3154
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. BAZELY

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

REF: HGD/VEP.
Your ref: Hs{Lord Ernest Hives - Chair}/Wst.3/AD.
November 5th, 1931.

Messrs. Rolls-Royce Limited,
D E R B Y.

Dear Sirs,

Further to your letter of the 24th ult: regarding the Dynamo and coil ignition units recently supplied by us, we enclose a blue print showing the wiring for this equipment.

You will notice that terminal 16 on the coil is connected to an auxiliary switch on the Starter button. This short circuits a resistance which is incorporated in the coil to give easy starting: but this terminal 16 can be ignored if desired.

We enclose a print of the Starter button which we use for this purpose. We invariably use a control lamp instead of an ammeter with all our dynamos, and the print of this lamp is also enclosed together with our Standard wiring diagram.

If there is any further information we can give you, kindly consider us entirely at your disposal.

Yours faithfully,
BOSCH LIMITED.
[Signature]
TECHNICAL DEPARTMENT.

[Handwritten Initials: NST]

ENCLS:

[Stamp: RECEIVED 6 NOV 1931]
C9402 H.J.G. 5M.10/31
  
  


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