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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).
Experiments on seat cushions and springs to improve passenger riding comfort.

Identifier  ExFiles\Box 132\3\  scan0224
Date  3rd September 1934
  
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continued:- AV6/IM.3.9.34.

on the top of the spring case, but that is not the same in effect, because the Latex is acting merely as an overlay and not as the cushion proper.

As soon as the Experimental Coachwork car is on the road we are making experiments with various cushions and are rigging up an indicator to draw a graph of the relative movement of the passenger for a fixed jolt from the road springs.

In the meantime, we suggest that we should use on all of our cars the best cushion we know of.

We suggest that our knowledge of the riding comfort of our cars in the back seat is not as great as it would be if we were not so frequently the driver.

EV.{Ivan Evernden - coachwork}
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