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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).
Sheet illustrating five different types of electrical contact spring chambers and fuse clips.

Identifier  ExFiles\Box 168b\2\  img262
Date  17th August 1932 guessed
  
THE NEW IMPROVED
FOR ALL TYPES OF EL...

FIGURE 1
A single contact spring chamber attached by spinning over the hollow end of the mounting shank.

FIGURE 2
For limited space, the spring of the chamber is below the mounting line. Securely attached by a shaving-down process. Can be fastened to an insulated base by spinning over the hollow-end shank.

FIGURE 3
A fuse clip assembly held rigidly together by a shaving-down process and mounted on a base by spinning over the end of the shank.

FIGURE 4
A double contact spring chamber mounted on an insulated base by spinning over the end of the shank.

FIGURE 5
A double contact spring chamber first attached to a metal conductor and then mounted on an insulated base.

HAD SNAP
  
  


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