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....

by Richmond Mill Furnishing Works

Note—For Gearing take the diameters at the Pitch Line, or take the NUMBER OF COGS instead of DIAMETERS and use the same rules.

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Weights of Rolled Iron, Round and Square,

From ³/₁₆ to 6 inches, and 1 foot in length, in pounds and 100ths of pounds.

ROUND IRON.					SQUARE IRON.
Size.	Weight.	Size.	Weight.		Size.	Weight.	Size.	Weight.
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

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.

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