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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).
The replacement of switchbox components with new parts and associated blueprints.

Identifier  ExFiles\Box 166\3\  img054
Date  19th April 1939
  
c. ap.
✓ 6090

c. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}
o.{Mr Oldham} RHO/sld.

BY/RD.14/B.19.4.39.

ALL CHASSIS.

SWITCHBOX. SECTION 8160.

D.CD.834. (Sht.2). Grouping of Separate Switches.

Further to our memo' BY/RD.2/B.25.10.38., please receive herewith blueprints of the following new pieces :-

DB.{Donald Bastow - Suspensions}2357 - Face Plate - Switches. 1 off.
DB.{Donald Bastow - Suspensions}2358 - Support Plate - Switches. 1 off.

The above parts should be used in place of :-

DB.{Donald Bastow - Suspensions}2013 - Face Plate. 1 off.
DB.{Donald Bastow - Suspensions}2014 - Support Plate. 1 off.

Please put 3 sets of these parts in hand.

1 set of prints herewith to Roy{Sir Henry Royce}/Les.{Ivan A. Leslie}

BY/RD.
  
  


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