Approximate Weights of light strengths in Sheets

8 ft. x 3 ft., showing the equivalent Wire

Gauge To Zinc Gauge

No. 4

Zinc

=

about 34 W.G.

• • •

=

7¼ lb.

per sheet

5

"

=

"

33

"

=

"

6

"

=

"

31

"

full

=

"

7

"

=

"

29

"

full

=

11¾

"

8

"

=

"

28

"

full

=

13½

"

9

"

=

"

27

"

=

15½

"

10

"

=

"

26

"

=

17½

"

11

"

=

"

24

"

=

20

"

12

"

=

"

23

"

=

22¾

"

13

"

=

"

22

"

full

=

25½

"

14

"

=

"

21

"

=

28¼

"

15

"

=

"

20

"

=

32¾

"

16

"

=

"

19

"

=

37¼

"

17

"

=

"

17

"

=

41¾

"