362

MODERN PAPER-MAKING

FOURDRINIER

Class of Paper
Tissue

9.17 lb. 350 ft.

Speed ........ ......

°/
/o
Parts water per part fibre.

99.52 84.3 70.2 68.5
47-3 4-5
207.0 5-37 2-35 2.17 0.90 0.05

Couch

Middle cylinder

Reel ............

M.G. MACHINE

'Manilla' Envelope

Class of Paper
Pure Sulphide
Paper

Substance in D.C. 500*5 ......
idlb.
32 lb.

Speed
150 ft.
140 ft

Parts water

Parts water

°/ /o
per part fibre
%
per part fibre

Breast box ..........
994
165.7
98.8
82.3

Couch ..........
85.0
5.67
81.4
4-38

First press ..........
68.3
2.16
69.9
2.32

Before M.G. cylinder ......
65.6
1.91
68.0
2.13

At reel ..........
5.6
0.06
5-6
0.06

M.G. MACHINE

Class of Paper
Pressing or Cover Paper
Sulphite Litho

Substance in D.C. 500*5 ......
47* lb.
34 lb.

Speed ..........
91 ft.
100 ft.

Parts water

Parts water

%
per part fibre
V A
per part fibre

Breast box ..........
98.6
70.4
99-0
99-0

Couch ..........
78.5
3.65
73-9
2.83

First press ........
67-1
2.04
58.3
1.40

Before M.G. cylinder ......
60.9
1.56

At reel ..........
34
0.04
44
0.05