Transcriber’s Notes
Inconsistencies have not been standardised, except as mentioned below.
Changes made:
Illustrations have been moved out of text paragraphs.
Some obviously missing punctuation has been inserted, some unnecessarily repeated words and unnecessary punctuation have been deleted, some obvious minor typographical errors have been corrected silently.
The paragraph numbers have been standardised to bold face numbers.
Page 37: It is quite necessary that these torch valves closed ... changed to It is quite necessary that these torch valves are closed ....
Page 48: ... remove the guage from the regulator ... changed to ... remove the gauge from the regulator ....
Page 169: (Hose) clamps in reparing ... changed to (Hose) clamps in repairing ....