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.
A Pattern Weighing One Pound, Made of (less weight of core prints) | Cast Iron. | Brass. | Copper. | Bronze. | Bell Metal. | Zinc. |
Lbs. | Lbs. | Lbs. | Lbs. | Lbs. | Lbs. | |
Pine or fir will weigh in | 14 | 15.8 | 16.7 | 16.3 | 17.1 | 13.5 |
Oak " " "....................... | 9 | 10.1 | 10.4 | 10.3 | 10.9 | 8.6 |
Beech " " "...................... | 9.7 | 10.9 | 11.4 | 11.3 | 11.9 | 9.1 |
Linden " " "....................... | 13.4 | 15.1 | 16.7 | 15.5 | 16.3 | 12.9 |
Pear " " "................... | 10.2 | 11.5 | 11.9 | 11.8 | 12.4 | 9.8 |
Birch " " "...................... | 10 6 | 11.9 | 12.3 | 12.2 | 12.9 | 10.2 |
Alder " " "........................ | 12.8 | 14.3 | 14.9 | 14.7 | 15.5 | 12.2 |
Mahogany " " "....................... | 11.7 | 13.2 | 13.7 | 13.5 | 14.2 | 11.2 |
Brass " " "................... | 0.84 | 0.95 | 0.99 | 0.98 | 1.0 | 0.81 |
 
Continue to: