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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).
Request to order spare test tackle and equipment for 500-watt generators from various suppliers.

Identifier  ExFiles\Box 167\2\  img022
Date  6th March 1937
  
(6103)

To EJJ. from Rm{William Robotham - Chief Engineer}/Wst.

Rm{William Robotham - Chief Engineer}/Wst.10/AP.6.3.37.

SPARE TEST TACKLE FOR 500 WATT GENERATORS.

Will you please arrange to order from Cannings of Manchester, spares for the above.

2 Load resistances .289 ohms value and capable of carrying 50 amps. without overheating.

From Ferrantis.

1 Voltmeter 0 - 20 volts.
1 0 - 40 having 6 1/2" dials.

From Records Co.Ltd.

2 Ammeters 0 -50 amps. having 6 1/2" dials.

From Zenith Co.Ltd.

1 Slider type of variable resistance 13 ohms. capable of carrying 6 amps without overheating.

1 Slider type of variable resistance 52 ohms. capable of carrying 3 1/2 amps. without overheating.

From Crabtree Ltd

2 - On-off tumbler type of switch 5 ampere.

Rm{William Robotham - Chief Engineer}/Wst.
  
  


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