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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 Ransome & Marles Bearing Co. Ltd. discussing gear lubrication, oil tests, and specific bearings.

Identifier  ExFiles\Box 114\2\  scan0044
Date  15th May 1934
  
LONDON OFFICE:
17, VICTORIA STREET,
WESTMINSTER, S.W.1
TELEPHONE: VICTORIA 4278-4279
TELEGRAMS:
OFFISELUNDA, SOWEST, LONDON

x3807

TELEGRAPHIC ADDRESS:
"BEARINGS, NEWARK"
TELEGRAPHIC CODE
BENTLEY'S
TELEPHONE NOS:
NEWARK 456, 457 & 458

CONTRACTORS TO H.{Arthur M. Hanbury - Head Complaints} M.{Mr Moon / Mr Moore} ADMIRALTY, WAR OFFICE, AIR BOARD, COLONIAL OFFICES &c.

RANSOME & MARLES BEARING CO. LTD.,

MANUFACTURERS OF BALL & ROLLER BEARINGS

NEWARK ON TRENT.

BRANCH OFFICES:
LONDON, BIRMINGHAM, MANCHESTER, LEEDS, SHEFFIELD
BRISTOL, GLASGOW, NEWCASTLE, BELFAST

IN YOUR REPLY PLEASE QUOTE
TECH.DEPT. FOH/EMB.
YOUR REF: Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}3/MA.

Messrs. Rolls-Royce, Limited,
DERBY.

15th May, 1934.

For the attention of - Grylls, Esq.:

Dear Sirs,

We are in receipt of your valued communication of the 14th instant, regarding the question of lubrication for gears as raised during our telephone conversation, regarding the test which we are running on the 4/MDJT.30 bearing, and note your remarks.

As previously mentioned, we have had no experience ourselves of Duckham's Keenolised Oil, but we do know that it has been satisfactorily applied on normal spiral bevel rear axles where extreme pressures are present, every success having been obtained. We will, however, investigate the matter further, and are of course proposing to carry out some tests with this oil in bearings, details of which we will submit to you as soon as these are obtained.

With regard to the question of its use with Hypoid gears, we have every reason to believe that it has not been used on this type of gear in this country, and we have no information as to its use elsewhere, but here again we will enquire further and write you in due course.

Yours faithfully,
RANSOME & MARLES BEARING CO. LTD.
[Signature] for
MANAGING DIRECTOR.
  
  


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