Types of insect, Australia, Solomon Islands and Indonesia, 1837-1840.

Wilhelm Ostwald, Latvian chemist, c 1910.

Ps 'Great Eastern', 1858.

Ps 'Great Eastern' on the ocean, 1859.

Design for the Clifton Suspension Bridge, Bristol, 1830.

Salt's Mill and canal, Saltaire, West Yorkshire, 2007.

Salt's Mill, Saltaire, West Yorkshire, 2007.

Salt's Textile Mill, Saltaire, West Yorkshire, 1869.

"Earlestown Carriage and Wagon Works, Merseyside, 10 October 1927. "

Salt's Textile Mill, Saltaire, West Yorkshire, 1869.

St George's Hall, Bradford, c 1895.