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An Automatic Oil Muffle Furnace, circa 1910. Petroleum is contained in tank A, and is kept under pressure by pumping at intervals with the wooden handle, so that when the valve B is opened, the oil is vaporized by passing through a heating coil at the furnace entrance, and when ignited burns fiercely as a gas flame.
Tongs consist a single band of bent metal, as in sugar tongs, most asparagus tongs (which are no longer common) [2] and the like. Sugar tongs are usually silver, with claw-shaped or spoon-shaped ends for serving lump sugar. Asparagus tongs are usually similar but larger, with a band near the head that limits how far the tongs can expand.
The external lewis was originally shaped like a pair of scissor-tongs, and swung from a treadwheel crane. [3] This type of tong device has been known as dogs and the holes in the stone as dog holes for many centuries. Many old bridges and walls in the UK still have dog holes to reveal how the stones were lifted, particularly onto bridge ...
Crucible tongs are used most often with crucibles, small ceramic or metal vessels used to heat chemicals to temperatures up to 565.56 degree Celsius. [3] As a crucible will be very hot when heating it in a furnace or a Bunsen burner, one cannot hold the crucible directly. Therefore, crucible tongs come to play a key role when burning, or doing ...
The metal (known as the "workpiece") is transported to and from the forge using tongs, which are also used to hold the workpiece on the smithy's anvil while the smith works it with a hammer. Sometimes, such as when hardening steel or cooling the work so that it may be handled with bare hands, the workpiece is transported to the slack tub ...
Chopfork – A utensil with a fork at one end and chopsticks/tongs at the other. [3] Chork – Pointed and slightly curved tongs, which can be used like chopsticks (as pincers) or as a fork (for spearing). [4] [5] A different kind of chork is a fork with a split handle, which can be broken in half to make two chopsticks. [6]
A 'muffle' is the incineration chamber where the body is put. In order to improve the speed at which bodies burned, the muffles were internally joined, resulting in the ashes of individual bodies being mixed. This was illegal, but all subsequent multi-muffle ovens built for the concentration camps were designed in the same way.
The Feuerzange was originally a pair of tongs, but nowadays it is common for a purpose-designed metal grate mounted on top of the bowl to hold the Zuckerhut , a 250-gram (9 oz) lump of sugar. The sugar is soaked with rum and set alight, melting and caramelizing .