The engineer's sketch-book of mechanical movements, devices, appliances, contrivances and details employed in the design and construction of machinery for every purpose

by Thomas Walter Barber

[1851]. Hexagon bar iron.

[1852]. Tyre iron, made in many sections. See note to [No. 1719].

[Larger plate.]

[1855]. Bevilled flat iron.

[1856]. Trough iron. Used for bridge flooring, fire-proof floors, &c.

[1857]. Double convex iron.

[1858] & [1859]. Tramplate iron.

[1860] & [1861]. Chair or sleeper iron.

[1862]. Oval iron.