EXPLANATION OF THE PLATES.
399
Diameter of Cylinder, in inches. Diameter of Piston-rod in inches.
7
1*04
8
1.2
9
1-34
10
1*5
11
1-64
12
1*8
13
1-94
14
2T
16
•
2-375
For more detailed information on this important subject, see description of Plates
LXXXIX—XCII.
PLATE LXVIII.
This Plate represents a plan and section of boiler seating, for a twenty horse en
gine, at the manufactory of Messrs. Whitworth and Co., Manchester.
PLATE LXIX.
This Plate represents Messrs. Hague’s double acting cylinder, with slides, &c.
Fig. 1 is the cylinder, showing the facings for slide ; A is the passage to the top;
B the passage to the bottom; and C the exhausting passage.
Fig. 2 is a section of the cylinder and slide in the position for letting in the steam
at the top A, and exhausting at the bottom through B C; D is the slide with the
exhausting passage through it; F is a spring to keep the slide to its face; and G
the steam pipe from the boilers.
Fig. 3 shows the facings of the slide.
Fig. 4 shows the side of ditto.