Metal dewar vacuum flask.

Green glass wine bottle, Spanish, 1700-1850.

Green clear glass bottle for Mellins Infants Food, British, no stopper.

Glas retort, Italian, 1650-1800.

Glas retort, Italian, 1650-1800.

Flasks growing penicillin culture, 1943.

Red ware pottery flask, Syrian, 1500-1100 BC.

William Cullen, Scottish physician, 1772.

Metal Dewar vacuum flask, early 20th century.

Selection of opera glases, 1780-1820.

Frontispiece from Kircher's 'Ars Magna Lucis Et Umbrae', 1646.

Chemical apparatus, late 19th century.