Page 31

Weaving
What weight of number 80 [?]
Weft (or filling) will it require
to weave a piece of cloth 29 1/5
yards long 120 picks in an inch
39 inch wide at the reed allow
1-50 for waste

yds [hark?] 840
weft [8?] 80 [?]
67200

29.2 length of piece
120 pks in [inch?]
5840
292
3504,0
39 inch wid at reed
315360
105120
waste 1,50 136656,0
2733,12 [ff?] or
67200 39389,1 421, 1/3
[50? 13?] 34400
4989.12
16 oz lb
2993472
498912
79825.92 1
67200
12625 = 1/5 Ans 2^lbs 1 1/3 oz

Speed
If a drum 42 1/4 inches
diameter, drives the beaters
of a flowing machine 1344
revolutions per minute what
must the diameter of a drum
be for the beaters to make 1560
revolutions; and if the present
drum is to be laged what
thickness must the lags be

1344 : 42.25 :: 1560
1560
253500
21125
4225
1344 65910.00 49,04 diam required
5376
12150
12096
5400
5376
24

49,04 diameter required
42,25 diameter of given drum
2 6,79 difference of diameters ^of drums
3,395 or 3, 1/4 in lag required