Page:On the economy of machinery and manufactures - Babbage - 1846.djvu/430

396 The amount of the various items is thus:— £ s. d.

2 8 1

The dead horse, therefore, which can be purchased at from 8s. 6d. to 12s., produces from 2l. 9s. to 4l. 14s.

(94.) M. Genoux, a French printer, has invented a substance resembling pasteboard, which, by pressure upon moveable types, takes an impression from them, which may be used as a mould for stereotype plates.

(113.) More recently a great variety of architectural ornaments, rosettes, arabesques, &c. have been cast with an alloy of zinc and tin. The foundry of Mr. Geiss, at Berlin, supplies such ornaments in great perfection, and many new buildings in that capital are already ornamented with them.