1851 Great Exhibition: Official Catalogue: Class V.: Ransomes and May
30. RANSOMES and MAY, Ipswich — Inventors and Manufacturers.
A five-horse power steam-engine.
640. RANSOMES and MAY, Ipswich — Manufacturers.
Barlow and Heald's patent machines :—
Railway turntable for turning engines or carriages.
Wild's railway switch or turn-out rail.
Barlow's iron sleeper, as in use on a portion of the South Eastern Railway.
Permanent way of the Great Northern Railway; with chairs, treenails, and wedges, on the exhibitors' patent.
Registered water crane, for supplying the tenders of locomotive engines with water.
Patent railway chairs, with patent compressed treenails and wedges.
Compressed wooden treenails and keys, for railway chairs, and previous to compression.
Patent compressed ship treenails, in various stages.
Chilled cast-iron pedestal, or axle bearing. Broken pedestal, showing the depth to which the chilling has penetrated.
Model of patent excavator, for railways or canals. Henry Potter Burt, London, proprietor.
Models of improved apparatus and machinery, for preparing timber with creosote.
Exhaust-pump.
Force-pump.
Tank for the solution.
Steaming and heating apparatus.
Moveable tramway and crab, for loading and unloading the cylinder.
The timber to be prepared is loaded on trucks, and drawn inside the cylinder; the cover is then closed and the air-pump employed to exhaust the cylinder, and extract the sap or moisture from the timber. The air-pump is then disengaged, and a sluice valve communicating with a reservoir opened, which charges the cylinder with creosote, previously heated to 120° Far. Force-pumps are then employed, which work, until the timber in the cylinder has been saturated with from 7 to 10 lbs. of oil per cubic foot; this is found to be a sufficient quantity to effectually prevent decay, from the attacks of the "Teredo navalis," etc.
Leggat's Queen press, with self-inking apparatus.
Shavings of iron.