Vacuum reaction system

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This vacuum reaction system was made in the 19th century, probably in France. It is unsigned and has an internal pressure gauge. Chemicals may be added to the system through the inverted glass bell.

The cylindrical glass reaction vessel (seen on the right in the picture) has an internal pressure gauge held in an iron frame, with an engraved glass scale. There is a brass-mounted stop-cock on the top, to prevent the internal pressure building up too much. This chamber is connected by a black-painted iron tube to the brass vacuum pump, and the open inverted glass bell, through which chemicals can be introduced into the vessel. Another brass stop-cock below the hand-pump acts as a valve.

This device was probably used in a laboratory for experimental purposes.

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• Online ID: 000-180-002-473-C
• Image Rights Holder: National Museums Scotland
• Project: National Museums Scotland Part 2
  Project description   View all records in project
• Ref: National Museums Scotland  T.1973.68
• Date: 19th century
  Mid 19th century
  
• Material:
• Dimensions:
• What:
• Subject: 4. CHEMISTRY, Apparatus and instruments, preparative methods (Departmental Classification)
  
• Who:
• Where: France
  
• Event:
• Description: Vacuum reaction system, unsigned, French, mid 19th century
  
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