Drying oven by Griffin and Tatlock
Drying oven
Hot Water Drying Oven with double walls made of copper
circa 1900
Drying oven by A. Gallenkamp and Co. Ltd.
Portable incubator and stand by Townson and Mercer
Gallenkamp BS size 2 oven
1962-1968
Electrically heated hot water oven.
Gallenkamp incubator size 2
1962-1968
Hearson's patent biological incubator size A7
Hearson's patent biological incubator size A1
Drying oven by Charles Hearson and Co. c. 1916 (patent No. 102538)
circa 1916
Oven by Gallenkamp
Incubator, electric, trade names Anhydric oven
1960
Incubator by Charles Hearson and Co. c. 1939
circa 1939
Two Hearsons patent electric drying ovens
Anhydric electric incubator for use up to 440C
Circular water-bath (drying oven) on iron stand. Rings missing. Late 19th century
1880-1900