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).
Tear-off order form for an OSA Speedometer with Cardan Shaft Drive, including a diagram and vehicle specification questions.
| Identifier | ExFiles\Box 33\5\ Scan052 | |
| Date | 22th November 1923 guessed | |
| DIE ZWECKMÄSSIGE AUSSTATTUNG DES ARMATURENBRETTES FIAT-SPORTWAGEN - MODELL 501 - AUSGERÜSTET MIT OSA-TACHOMETER-UHR-TOURENZÄHLER Side panel text: OSA Apparate-Gesellschaft m.b.H. Frankfurt a.{Mr Adams} M.{Mr Moon / Mr Moore} Hohenzollernstr. 12 Phone: Hansa 5615-16 Telegraphic Address: Osawerk Please tear off here. Particulars of OSA Speedometer with Cardan Shaft Drive. __________ pieces OSA Speedometer type __________ with/without day recorder for fitting in nickel*) screwing on brass 1. Dial required up to __________ M.{Mr Moon / Mr Moore} P. H.{Arthur M. Hanbury - Head Complaints} (=Miles per hour) 2. Dial white or black 3. Make of Car __________ 4. H.{Arthur M. Hanbury - Head Complaints} P. of Car __________ 5. Size of Rear Tyres __________ **) 6. Rear Axle Drive Ratio __________ 7. Diameter of Cardan Shaft. __________ 8. Length of Cable required. __________ *) Please cross out the items not required. **) See remark. Diagram Key: Apparat — Apparatus Transmission — Transmission Lagerbock — Bearing support Tachometer-Scheibe — Disc of tachometer Spirale — Spiral Geteilte Scheibe — Divided disc Remark concerning 6: If there are difficulties to answer the question 6 please apply to the makers of the particular car in order to ascertain the gear ratio by stating the number of the motor car or chassis. It is essential that the required particulars of the questions 3, 4 and 5 are to be answered. __________ 19_____ Signature: __________ | ||