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 Deltavis Co's agent following up on six type Z2 sparking plugs sent for testing.
| Identifier | ExFiles\Box 33\3\ Scan212 | |
| Date | 27th April 1922 | |
| C·MEIER-MATTES & Cº DCº TRADE MARK C. MEIER-MATTES SWISS U. BRETSCHER SWISS TELEPHONE: CITY 3376 TELEGR: DELTAVIS CANNON LONDON SOLE AGENTS OF ★DELTAVIS Cº SWITZERLAND★ FOR U.K. BRIT. COL. & DOMS. LEADING SWISS MAKERS OF PRECISION PARTS·METAL SCREWS·ETC. ABC CODE 5TH EDITION YOUR REF. OUR REF. LONDON E·C·4. CANNON STREET BUILDINGS April 27th 1922. Messrs Rolls-Royce Ltd., Nightingale Road. DERBY. RECEIVED [Stamp: 28 APR 1922] Dear Sirs, re DELTAVIS SPARKING PLUGS. On the 23rd February of this year we had the pleasure of sending you six type Z2 Deltavis Sparking Plugs, for testing purposes. While we are confident that you will have found our Plugs to be all we claim for them, we should be very interested to have a short report on the result of your tests, as soon as you are in a position to do so. Awaiting the favour of your reply, we beg to remain, Yours faithfully, [Signature] C. MEIER-MATTES & Co. | ||