Rolls-Royce Archives
         « Prev  Box Series  Next »        

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).
Results of conductance tests on various types of wax paper at different temperatures.

Identifier  ExFiles\Box 61\1\  scan0135
Date  10th October 1930
  
-2-
EFC4/ADLO.10.30 contd.

Standard wax paper.
Temperature
18°C.
40°C.
60°C.
80°C.
100°C.

Conductance.
O
O
.001 micromhos
.002 "
.004+ "

Plain white paper impregnated with wax.
Temperature
18°C.
40°C.
60°C.
80°C.
100°C.

Conductance.
O
O
.001 micromhos
.004 "
.015 "

Plain white paper unwound from coil after being impregnated with wax on the coil.
Temperature.
18°C.
40°C.
60°C.
80°C.
100°C.

Conductance.
O
O
.004 micromhos
.008 "
.025 "

Delco-Remy wax paper unwound off condenser.
Temperature.
18°C.
40°C.
60°C.
80°C.
100°C.

Conductance.
O
O
O
O
.004- micromhos

All the conductance tests were carried out after the samples of paper had been first baked at 100°C. for at least one hour, as it was found that the conductance was very much less and more stable after such baking.
  
  


Copyright Sustain 2025, All Rights Reserved.    whatever is rightly done, however humble, is noble
An unhandled error has occurred. Reload 🗙