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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 a tyre supplier regarding inflation pressures for a trial set of straight-sided tyres.

Identifier  ExFiles\Box 39\1\  Scan039
Date  7th February 1922
  
X3536
TELEPHONE: COVENTRY 476.
FACTORIES: CASTLE MILLS, EDINBURGH.
TELEGRAPHIC ADDRESS: "CLINCHER, COVENTRY."
THE MOTOR TRADES ASSOCIATION
THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS
The NORTH BRITISH RUBBER COMPANY LTD
Manufacturers of North British 'CLINCHER' Motor, MotorCycle & Cycle Tyres.

DUBLIN BELFAST
BIRMINGHAM BRISTOL
COVENTRY EDINBURGH
GLASGOW LEEDS
LEICESTER LIVERPOOL
MANCHESTER NEWCASTLE ON TYNE
& THROUGHOUT THE WORLD.

CLINCHER HOUSE, 9, LOWER FORD STREET, COVENTRY.

Our Ref. JAB/R
Your Ref.
7. 2. 22.

The Rolls-Royce, Ltd.,
Nightingale Road,
Derby.

For the attention of Mr H.{Arthur M. Hanbury - Head Complaints} Royce.

Dear Sirs,

It has occurred to the writer that when we supplied you with a trial set of straight-sided tyres we omitted to draw your attention to the fact that these tyres do not need to be inflated to the same extent as beaded edged tyres.

We imagine if you inflate them to a 60 lb. pressure you will get the best results, but we would like you use your own discretion and inflate them to a degree of comfort and we should like to know at what pressure you consider you get this.

Yours faithfully,
THE NORTH BRITISH RUBBER COMPANY. LTD.,
J.{Mr Johnson W.M.} Astbury Bailey
Manager,
Coventry & District Branch.

[Handwritten note in left margin]:
Hs.{Lord Ernest Hives - Chair}
Please return after perusal. RS{Sir Henry Royce's Secretary}
8/2/22.

[Stamped and handwritten at bottom]:
RECEIVED
14/2/22
Noted
  
  


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