The Pamphlet Collection of Sir Robert Stout: Volume 23
Class 8
Class 8.
2919a | Cotton Supply Association, Manchester.—One Cotton Gin |
2920 |
India Rubber, Gutta Percha, and Telegraph Works Company (Limited), late Silver's India Rubber Works and Telegraph Cable Company Works, near Victoria (London) Docks. Mr Alexander R. Hay, agent, Dunedin Particulars of Exhibits—mechanical. Vulcanised India Rubber Valves for Marine and Land Engines, prepared specially for tropical climates. Vulcanised India Rubber in Sheet for Cutting out Valves, Washers, &c. India Rubber and Canvas Steam Packing for Stuffing Boxes, Pistons, and Slide Valves for Marine and Land Engines. Its superiority over the Spun Yarn and Tallow formerly used consists in "its wearing capabilities being six times greater, its requiring no drawing, the wear being gradual until all is exhausted; economy in the employment of labour, the packing being always ready for use; economy in the use of tallow, by at least three-fourths; considerably reduced friction, as by the great elasticity of the packing a slight pressure serves to keep he bearing surfaces in contact with the piston rods, &c." India Rubber Washers for Steam Joints, Manholes, &c. Vulcanised India Rubber, and Canvas and India Rubber, for heavy pressure, steam, &c. Vulcanised India Rubber and Canvas Delivery Hose for Fire Engines, Locomotives, Pumps. &c. Vulcanised India Rubber for Suction purposes. Machine Bands or Belting for Driving Machinery. |
2921 | Mills, Nathaniel, Birmingham.—Weston's Patent Differential Pulley Blocks, 4 sizes, Wool Screws complete, and Lifting Jack. Mr Alexander R. Hay, agent, Dunedin |
2922 |
Shand, Mason and Co, London.—Patent Vertical Steam Fire Engine. This Engine is the same as those in use in the London Fire Brigade; it will throw 300 gallons per minute, through a jet 1½ inch diameter, to a height of 170 feet. Steam sufficient to work the engine can be raised in from nine to twelve minutes. |