Model of block printing machine for calico, 1840, patentee R. Hampson, unknown maker. Model of block printing machine for calico, patentee R. Hampson 1840
Clover's lithotomy crutch with cross-bar between two leg straps, adjustable and leather-covered, by Down, c. 1900 Clover's lithotomy crutch with cross-bar between two leg straps 1881-1930