This section is from the book "The English And American Mechanic", by B. Frank Van Cleve. Also available from Amazon: The English And American Mechanic.
MATERIALS. | |
concretes (English). Fire-brick beam, Portl'd cem't | 8.1 |
" sand, 3 parts; lime, 1 part | .7 |
CEMENTS (English). | |
Blue clay and chalk | 5.4 |
Portland......................... | 37.5 |
102 | |
Shenny...................... | 6. |
MATERIALS. | |
bricks (English). | |
Best stock............................. | 11.8 |
Fire-brick................................. | 14. |
New brick........................ | 10.7 |
Old brick.......................... | 9.1 |
Stock-brick, well burned.......... | 5.8 |
" inferior, burned.. | 2.5 |
 
Continue to: