Descriptive Pamphlet of the Richmond Mill Furnishing Works: All sizes of mill stones and complete grinding and bolting combined husk or portable flouring mills, portable corn and feed mills; smut and separating machines; zigzag and oat separators, dustless separators, warehouse separators, water wheels; mill shafting; pulleys; spur and bevel, iron and core, gearing....
John Stuart Mill · en
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ROUND IRON. || SQUARE IRON.
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Size. |Weight.| Size. |Weight.|| Size. |Weight.| Size. |Weight.
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3/16 | .09 | | || 3/16 | .12 | |
¼ | .17 |3¼ |28.04 || ¼ | .22 |3¼ | 35.70
⅜ | .37 | | || ⅜ | .48 | |
½ | .66 |3½ |32.52 || ½ | .85 |3½ | 41.50
⅝ | 1.05 | | || ⅝ | 1.32 | |
¾ | 1.50 |3¾ |37.34 || ¾ | 1.90 |3¾ | 47.54
⅞ | 2.03 | | || ⅞ | 2.60 | |
1 | 2.65 |4 |42.46 ||1 | 3.40 |4 | 54.10
1⅛ | 3.36 | | ||1⅛ | 4.28 | |
1¼ | 4.17 |4¼ |47.95 ||1¼ | 5.30 |4¼ | 61.06
1⅜ | 5.02 | | ||1⅜ | 6.40 | |
1½ | 5.97 |4½ |53.76 ||1½ | 7.60 |4½ | 68.45
1¾ | 8.13 |4¾ |59.90 ||1¾ |10.40 |4¾ | 76.35
2 |10.62 |5 |66.75 ||2 |13.55 |5 | 84.48
2¼ |13.45 |5¼ |73.18 ||2¼ |17.12 |5¼ | 93.17
2½ |16.70 |5½ |80.30 ||2½ |21.15 |5½ |102.25
2¾ |20.08 |5¾ |87.80 ||2¾ |25.60 |5¾ |111.76
3 |23.89 |6 |95.60 ||3 |30.50 |6 |121.67
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Weight of a Square Foot of Sheet Iron as per Birmingham Gauge.
No. 10 or .134 of an inch thick, 5.5 pounds.
No. 12 or .109 of an inch thick, 4.3 pounds.
No. 16 or .065 of an inch thick, 2.62 pounds.
No. 18 or .049 of an inch thick, 1.92 pounds.
No. 20 or .035 of an inch thick, 1.41 pounds.
No. 24 or .022 of an inch thick, .95 pounds.
No. 26 or .018 of an inch thick, .78 pounds.
A Plate of Wrought Iron 1 foot square, 1 inch thick weighs 40 lb.
“ “ “ 1 inch “ 3⅝ “ long “ 1 lb.
“ Cast “ 1 “ “ 3⅞ “ “ “ 1 lb.
SPRING COUPLING AND DRIVER.