[23] Showing a permanent set of 12.5 per cent.
[24] “Standard Dictionary.”
[25] “Watt’s Dictionary” (“M” signifying metal).
[26] “Century Dictionary.”
[27] Review of Reviews, September, 1906.
[28] In the making of insulation material, the carbonization of the cork is accomplished without destruction of fibre and stands a high flame test.
[29] Using ordinary glass (armoured) thermometer for ascertaining degrees.
[30] One thousand degrees Fahrenheit, causing no greater combustion than the lower degree, other than the increased burning of remaining substance after the flash, due to the higher temperature.
[31] Scientific American Supplement.
[32] I have subsequently learned that this proved a failure.