Two centuries of shipbuilding by the Scotts at Greenock

114
The Boiler Works.
of Whitworth make, has a measuring screw in a fast
headstock with a large dividing wheel, one division of the
latter representing 0.0001 -in. in the end movement of the
spindle. All transverse and tensile testing of bars is done
in this department.
A check system is used in connection with the distribu-
tion of templates, tools, drawings, etc., and a separate store
in the centre of the works is arranged for this purpose.
HYDRAULIC PLATE-BENDING MACHINE.
As to the boiler works, the fact that in 1905 the
production was practically one boiler per week is, of itself,
testimony to the nature of the plant adopted. The main
boiler shop, together with its yard, has an area of 7000
square yards, and a height of 45 ft. to the crane rail, and
is served by five overhead electric cranes, ranging in lifting
power up to 100 tons, with numerous jib and other cranes
associated with the various machine tools.
The machine tools fitted in the boiler works are all
of a very powerful character ; but only a few of these