A naturally-occurring rock or soil constituent characterized by particles with a diameter of less than 0.005 mm. It is composed primarily of hydrous aluminum silicates, trace amounts of metal OXIDES, and organic matter.
    

concept

Brick-making: a young woman is pulling a large wheelbarrow full of clay while a boy tips a barrow load into a pug-mill, to which a horse is attached by a yoke. Coloured aquatint with etching after W.H. Pyne, 1805.

Clayton's patent tile, brick and pipe machine.

Human head sculpted in clay, forming the cheekbones

Human head sculpted in clay, forming the eye sockets

Human head sculpted in clay, facial muscles of expression

Specification of William Parry and John Frearson : treating sewage.

Human head sculpted in clay, refinement of facial features

Human head sculpted in clay, facial muscles

Human head sculpted in clay, applying the skin

Human head sculpted in clay, skull viewed from the front

Unto the Right Honourable the Lords of Council and Session, the additional petition of Mess. Clay and Midgley merchants in Liverpool, and George Brown merchant in Glasgow, their attorney, ..

Answers for Mess. Clay and Midgley, merchants in Liverpool, and George Brown merchant in Glasgow, their attorney; to the petition of James Coulter, merchant in Glasgow, and others

Unto the Right Honourable the Lords of Council and Session, the petition of Mess. Clay and Midgley merchants in Liverpool, and George Brown merchant in Glasgow, their attorney, ..

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Unto the Right Honourable the Lords of Council and Session, the additional petition of Mess. Clay and Midgley merchants in Liverpool, and George Brown merchant in Glasgow, their attorney, ..

Answers for Mess. Clay and Midgley, merchants in Liverpool, and George Brown merchant in Glasgow, their attorney; to the petition of James Coulter, merchant in Glasgow, and others

Unto the Right Honourable the Lords of Council and Session, the petition of Mess. Clay and Midgley merchants in Liverpool, and George Brown merchant in Glasgow, their attorney, ..