es of labor-saving machines at present at work in Portsmouth Dockyard for the manufacture of ships' blocks.
(See block-making machine.) These ingenious machines, forty-six in number, were, only a few years ago, the curiosities of the place, and may be, for aught we know, yet They were the first ever set up in a public yard, and, although they have been at work for sixty years, they remain still in good working order.
Maudslay afterward, in conjunction with his partner Field, founded in Lambeth Marsh the famous firm which is still carried on under their names.
Clements was another inventor who learned his art in the school of Bramah, and afterward worked for Maudslay and Field.
This ingenious machinist invented the planing-machine, without which no perfect plane can be made.
The value of such a machine is incalculable.
Indeed, upon the truth of the plane depends the whole value of modern machinery.
Of old, by chipping and filing, an attempt to approach the plane was made, but