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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).
Sourcing insulating material samples for machine testing at the request of Mr. Royce.

Identifier  ExFiles\Box 24\2\  Scan001
Date  28th July 1919
  
To O.O. from EFC.
X.1109..
EFC1/AT28.7.19.

X.2505.-RE INSULATING MATERIALS.

We have been asked by Mr. Royce to get together such information as we can about insulating materials and what can be done in the way of machining etc. With this end in view we have looked through the issues of the Electrical Review for May 30th and June 6th, and we shall be glad if you will write to the addresses given below for samples of the materials there specified upon which we can carry out various machine tests.

✓ Litholite Ltd., X.2494
(samples) 2
55/7, Hackney Grove E.{Mr Elliott - Chief Engineer} 8.

✓ Siluminite Insulator Co., Ltd., 2 gray 3 black X.3042
(samples) 5
The Green, Southall, Middlesex.

Vulcanised Fibre,
Horn Fibre
Leatheroid
Condensite Celeron (Waterproof Insulator) } (Samples 1 red fibre, 2 brown paper, 3 sy tubes, 6) X.3505

✓ Diamond Fibre Co., Ltd., High Rd. South Tottenham. N.15.
57/9 Old Street, London. E.C. 1.

Ebonite X.2505
Vulcanite
Block & Rod and Casin.

✓ F.M. Carson,
(Samples) 2
121a. Bunhill Row, London. E.C. 1.

(Contd).
  
  


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