Getting Gold: A Gold-Mining Handbook for Practical Men

by J. C. F. Johnson

12	lines		=	1 inch.
12	inches		=	1 foot.
3	feet		=	1 yard.
6	feet		=	1 fathom.
16½	feet		=	1 pole.
220	yards		=	1 furlong.
		}
8	furlongs
1760	yards		=	1 statute mile.
5280	feet
6086	feet		=	1 naut. mile.
7·92	inches		=	1 link.
		}
100	links
66	feet		=	1 chain.
22	yards

Square Measure.

144	sq. inches		=	1 sq. foot.
9	sq. feet		=	1 sq. yard.
		}
30¼	sq. yards		=	1 sq. rod or pole.
272¼	feet
40	rods		=	1 sq. rood.
		}
4	roods
160	rods
4840	yards		=	1 acre.
43560	feet
10	sq. chains		=	1 acre.
1	hectare		=	2·471 acres.
640	acres		=	1 sq. mile.
30	sq. acres		=	1 yard of land.
Sq. ins.	× 0·007		=	square foot nearly.
Sq. yds.	× 0·00021		=	acres nearly.
113·0977	sq. ins.		=	1 circular foot.
183·46	circular ins.		=	1 square foot.

Solid or Cubic Measure.

1728	cubic inches	=		1 cubic foot.
27	cubic feet	=		1 cubic yard.
			}
40	cub. ft. of rough, or	=		1 ton or load.
50	cub. ft. of hwn. tmbr.
				}
128	cub. ft. of timber	=	1 cord of wood.

Avoirdupois Weight.

16	drachms	=	1 ounce.
16	ounces	=	1 lb.
14	lb.	=	1 stone.
28	lb.	=	1 qr. cwt.
112	lb.	=	1 cwt.
20	cwt	=	1 ton.
lbs.	× 0·009	=	cwt. nearly.
lbs.	× 0·00045	=	tons.
7000	grains	=	1 lb. avdp.
437½	grains	=	1 oz.

Troy Weight.

24	grains	=	1	dwt.
20	dwt.	=	1	ounce.
12	oz.	=	1	lb.
5760	grains	=	1	lb. troy.
480	grains	=	1	oz. ”