Dental forceps, Indian, 19th century.

Two castration devices, late 19th to early 20th century.

Tail docking machine, probably English, 19th century.

Tail docking machine, probably English, 19th century.

Tortoiseshell, 20th century, and snuff box, early 19th century.

Five candlesticks with candles, 19th century.

The development of the human embryo, early 19th century.

The development of the human embryo, early 19th century.

The development of the human embryo, early 19th century.

The development of the human embryo, early 19th century.

James Nasmyth, Scottish mechanical engineer, c 1860s.

Early box-type camera obscura, early 19th century.