Bottle of Behring's original tetanus serum and packet, c 1915.

Graduated pewter bleeding bowl, 18th or 19th century.

Graduated pewter bleeding bowl, 18th or 19th century.

Bloodletting instruments, 18th-19th century.

Graduated pewter bleeding bowl, 19th century.

Stoneware patent leech jar, late 19th century.

Cage for transporting leeches, 19th century.

Two leech jars, 19th century.

Cage for transporting leeches, 19th century.

Pewter bleeding bowl, 18th or 19th century.

Pewter box for transporting leeches, 19th century.

Glass flask, France, c.1927.