This section is from the book "The Tinman's Manual And Builder's And Mechanic's Handbook", by Isaac Ridler Butt. Also available from Amazon: The Tinman's Manual And Builder's And Mechanic's Handbook.
From Mr. Rennie's Experiments
May be taken at 1-6 of the weight up to 40 lbs. per sq. in. | |||||
" | 1-5 | " | " | 100 | " |
" | " | 800 | " | ||
Wrought on cast iron 1-3 | " | " | 500 | " | |
With tallow at | 1-10 | of the weight. | |||
" olive oil at | 1-13 | " | |||
800 lbs. per inch forces out the oil. |
Friction of journals under ordinary circumstances 1.30 of weight. | |
" well oiled, sometimes only | 1-60 " |
 
Continue to: