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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).
Listing parts and blueprints for a 40mm gun on an Oerlikon mounting.

Identifier  ExFiles\Box 175\3\  img121
Date  10th July 1940
  
To Rm{William Robotham - Chief Engineer}
c/c to Ey
3
Rm{William Robotham - Chief Engineer}/HH 1/10.7.40.
40 M/M GUN ON OERLIKON MOUNTING.
to PL 281.
Please receive herewith 2 blueprints of each of the following:-
RP. 1347. Sid Plate-RH.{R. Hollingworth} 1 off
RP. 1348. "-LH.{Mr Haworth} 1 off
RP. 1349. Modifidation to Column Mounting- 1 off.
RP. 1350. Flanged Bush-RH{R. Hollingworth}-Side Plate Bolts. 1 off
RP. 1351. "-LH{Mr Haworth}- " ". 1 off
RP. 1352. Bolt-RH{R. Hollingworth}-Side Plate Bolts- 1off
RP. 1353. "-LH{Mr Haworth}- " - 1 off
RP. 1354. .625 dia Bolt-Side Plates-2 off.
RP. 1355. Packing Piece- Side Plate Bolts-2 off.
RP. 1356. Chamfered Washer- Side Plate Bolts-2 off.
The following standard parts will also be reqd:-
KB. 3617. Nut for Side plate Bolts- 2 off.
K.{Mr Kilner} 4626. Split Pin- Side Plate Bolts- 2 off.
K.{Mr Kilner} 3601. Nut for Side Plate Bolts- 2 off.
K.{Mr Kilner} 4614. Split Pin- Side Plate Bolts- 2 Off.
Also attached are 2 blueprints of PL 281.
Kindly instruct to suit.
Rm{William Robotham - Chief Engineer}/HH.
  
  


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