Tall cylindrical furnace
1820-1900
Clay furnace with 15 gas burners
Crucible furnace
Early crucible furnace
Model of corrugated furnace flue for steam boilers
1885-1887
Small clay evaporating furnace
Rubber tube, from Dennstedt's electric combustion furnace
Small Moissan electric furnace
Lamp furnace c. 1840
1840
Materials processing furnace (ground version of the Swedish Space Corporation Mirror Furnace)
Chemical Combustion Furnace by J. Orme & Co., 1870s
1870-1879
Small ceramic from heated double muffle furnace (pattern now obsolete)
1876
Clay furnace by Fletcher Russell and Co.
Dennstedt's electric combustion furnace, with two glass tubes, a glass pipe and two rubber tubes
Crucible furnace with Bunsen gas burner and chimney flue for natural draught
Tube furnace by Heraeus, West Germany
1965-1975
Gas heated double muffle furnace
1876
Muffle furnace
Huxley furnace
Gas heated forced draught crucible furnace
1876
Electric muffle furnace 10" long
An Indian smelting furnace and many accessories
round chemical furnace
Electric muffle furnace
1900
High frequency induction furnace. Demonstration melting of steel rod
Furnace for airing cupboard and flat iron
1905
Dennstedt's electric combustion furnace
Electrolitic furnace for the manufacture of phosphorus
Lothar Meyer furnace for sealed tubes.
Electric wire wound resistance furnace
1900-1982
Ceramic from heated double muffle furnace (pattern now obsolete)
1876
Metal element from heated double muffle furnace (pattern now obsolete)
1876
Gas heated forced draught crucible furnace
1876
Musgrave Hot Air coke-fired heating furnace
1901
Belgian zinc furnace (scale 1:15)
Small powerful furnace (Bunsen burner) with asbestos lined hood
Electric furnace
Meker furnace no.9
Electric crucible furnace 5 1/2" high 3" diameter
T. Schloesing's furnace
Electric tube furnace with platinum winding.
Electric tube furnace
Twin tube furnace by Gallenkamp, serial no.1523
1970
Morgan portable muffle furnace, c. 1914
1914
Muffle Furnace, 1100 c, Super Hotspot
circa 1960