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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 Dennis Brothers Ltd. regarding the testing and inspection of an experimental set of bearings in an engine.

Identifier  ExFiles\Box 116\1\  scan0024
Date  23th February 1938
  
ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM AND NOT INDIVIDUALS

TELEGRAMS:
DENNIS GUILDFORD

TELEPHONE:
GUILDFORD 1575 (7 LINES)

OUR REF. JM{Mr Morley}/CS.
YOUR REF. RM{William Robotham - Chief Engineer}/MTHS{Reg Matthews}/21/JH.

BY APPOINTMENT
[Royal Coat of Arms]
DENNIS
ESTABLISHED 1895

1020a.

HEAD OFFICE AND WORKS
DENNIS BROS LTD
COMMERCIAL VEHICLE
AND FIRE ENGINE
MANUFACTURERS
GUILDFORD
SURREY ENGLAND

A B C CODE 5TH EDITION
LIEBERS 5 LETTER
BENTLEYS MARCONI

23rd February, 1938..

[Handwritten Note]
MthS.{Reg Matthews} No object in inspecting these until they have hammered them
Rm{William Robotham - Chief Engineer}

Messrs. Rolls Royce Ltd.,
DERBY.

Dear Sirs,

We have pleasure in advising you that one experimental set of bearings was fitted to an engine at the beginning of this week, and they have now completed about 20 hours running under part load conditions.

The engine is running with an experimental set of pistons, and whether these will enable us to run for any length of time under full load conditions we are not yet sure, but as far as we can ascertain at the present time we hope to have the engine stripped for inspection on Friday morning, the 25th inst., and by this time 30 hours running should have been completed.

We should be glad to know whether you would care to inspect the bearings at this point or whether you would prefer to leave the matter over until we have subjected them to a period of full load running.

Should you decide to make an inspection we should be glad if you would note that the undersigned will not be in the Works on Friday afternoon after 1 p.m., but will be present on Saturday morning and Monday morning.

Yours faithfully,
DENNIS BROTHERS LIMITED.

[Signature]

[Text on left margin, sideways]
CUSTOMERS' CYCLES DRIVING AT OWNER'S RISK ONLY.
  
  


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