1851 Great Exhibition: Official Catalogue: Class VIII.: C. A. and T. Ferguson
84. FERGUSON, C. A. and T., Poplar.
Gun-carriage.
184. FERGUSON, C. A. and T., Mast House, Mill Wall, Poplar — Inventors and Manufacturers.
Model representing a mast 99 feet long and 33 inches diameter: the principal objects of which are, economy in the first cost of materials, and the practicability of building large masts with small timber.
An improved fid for ships or steam-vessels' topmasts and topgallantmasts, also for cutters' bowsprits, to facilitate striking the same, without any necessity to ease off lanyards, or heaving on the heel rope.
Also a model of the fid, showing its action.
Two models of sections of deck, stanchions, etc., of a ship of war, with improved gun, for increasing the angle of horizontal pointing, and for projecting outboard at bows, sterns, and quarters, where the rake is so great; fitted with angle-meter, which will show the true position of the gun. (Gun invented by H. R. Caselli.)
Registered gun-carriages and appurtenances, showing the action of the improvements for working them.
Blocks, with sheaves and pins for them, showing the different improvements introduced.
The old principle, wood sheave and pin. The ironcoaked sheave and iron pin. The brass-coaked sheave turned iron pin. The anti-friction gun-metal roller-coaked sheave and turned iron pin; and the highly compressed leather-coaked sheave, and turned iron pin.