in Inches.

Diameter

THICKNESS IN PARTS OF AN INCH, AND ALSO BY THE NEW STANDARD WIRE-GAUGE.

ΙΟ

I I

2

16

18/ 20

12

18

21

22

27

13

15 20

23

25

30

32

II

13

12

142 17 14/16

19

ONN ∞ ∞ ∞ 023

141814

T

222333 + + + 5 in 1679

1411

148884 141884 141884 141884 1214

222 23333+ +++ in in78

The works' managers' hand-book of modern rules,

Walter S. Hutton