Stones And Bricks
Description
This section is from the book "Scientific American Reference Book. A Manual for the Office, Household and Shop", by Albert A. Hopkins, A. Russell Bond. Also available from Amazon: Scientific American Reference Book.
Stones And Bricks
Name of Substance. | Resistance to Crushing in Pounds per Sq. In. |
Basalt.................... | 18,000-27,000 |
Brick, soft.................. | 300-1,500 |
" hard................ | 1,500-5,000 |
" vitrified................... | 9,000-26,000 |
Granite................. | 17,000-26,000 |
Limestone................. | 4,000-9,000 |
Marble................... | 9,000-22,000 |
Sandstone......................... | 4,500-8,000 |
Slate..................... | 11,000-30,000 |
Continue to:
My Books
