1851 Great Exhibition: Official Catalogue: Class IX.: Henry Clayton
47. CLAYTON, HENRY, Atlas Works, near Dorset Square —Inventor and Manufacturer.
Patent double action machine for screening the clay for the manufacture of all kinds of drainage pipes and tiles, roofing and paving tiles, and hollow or solid bricks; it combines the vertical and horizontal plans of working. This double-action machine is illustrated in the annexed cut.
Patent gratings and dies for cleansing clay, being perforated metal plates instead of wires or bars.
Cycloidal shape and other various improved draining tools, for cutting the drains in every description of soils. Patent drain consolidater and chaser, adjustable to every depth of drain, for the tiles to be laid in.
Working drawings (to scale), for the erection of kilns, drying sheds, etc. Improved plan for drying shelves, for drainage tiles, pipes, hollow and solid bricks. Specimens of common and other tiles, and of Roberts' patent bonded hollow bricks.