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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 G.E.C. Ltd. providing the characteristics for an EHT.No.2. Valve for Mr. H. Royce.

Identifier  ExFiles\Box 41\2\  Scan068
Date  1st November 1927
  
X3646

THE G.E.C. LTD.,

34/35 MOOR STREET,

BIRMINGHAM.

Nov. 1st. 1927.

W & V /HB.{C. E. Harcombe}466.

Messrs. Rolls-Royce Ltd.,
DERBY.

FOR THE ATTENTION OF MR. H.{Arthur M. Hanbury - Head Complaints} ROYCE.

Dear Sir,

With further reference to our letter of the 29th ult., W & V/HB{C. E. Harcombe}/466, unfortunately we have not yet a leaflet prepared at present for the EHT.No.2. Valve. However full characteristics are given hereunder:-

Filament Volts 5
Filament current 2.8 amps.
Maximum anode volts
Reversed peak. 40,000
Impedance 5000
Maximum rectified current. 15 milliamps.

We are asking our Works to let us have dimensioned drawing and immediately this is to hand we will forward same to you.

Yours faithfully,

THE GENERAL ELECTRIC CO.LTD.
  
  


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