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. | ||