B.O.C. ether vaporizer, which consists of (a) a round threaded metal top with a U-shaped piece of cylindrical copper tubing attached at both ends to the top and leading downwards; the top has a plunger at the front with a round handle on a cylindrical rod, which leads down to the copper tubing; theā¦
B.O.C. ether vaporizer, which consists of (a) a round threaded metal top with a U-shaped piece of cylindrical copper tubing attached at both ends to the top and leading downwards; the top has a plunger at the front with a round handle on a cylindrical rod, which leads down to the copper tubing; there is an open round hole to the right of the plunger which is sealed with a cork and bakelite stopper on a metal chain; the left side of the top has a round on/off lever with a grease injector cap at the back and a hollow round gas inlet nozzle at the left side; the right side of the top has a hollow round gas outlet nozzle; the back of the vaporizer has a screw attachment piece that allows it to be attached to the back bar of an anaesthesia machine; the inside top of the vaporizer is threaded to allow the attachment of (b) a glass jar, designed to hold liquid ether, which is labelled in increments of 2-10 ozs; there is a round cork bottle sealing washer which seals the lip of the glass jar tightly to the vaporizer top.
Number Of Parts
2
Part Names
a - ether vaporizer - Size: Length 20.8 cm. x Width 12.2 cm. x Depth 9.4 cm.
b - glass jar - Size: Length 15.4 cm. x Diameter8.5 cm.
Provenance
Owned by Dr. John Wilbur Desmond.
Maker
The British Oxygen Co. Ltd; Medical & Industrial Equipment
(a) A manufacturer's label on the top of the vaporizer reads, "THE BRITISH OXYGEN CO LTD // LONDON ENGLAND // MEDICAL // BOC // DIVISON // PATENT No 536536"; the front of the vaporizer is labelled "ETHER" and the on/off switch is labelled; (b) the glass jar front is labelled, "ETHER" and has ozs. in increments from 2 to 10; the back of the jar has two manufacturer's labels: one reads, "MIE // LTD"; the other has the word "Anaesthetic" over "MIE"
Permanent Location
Storage Room 0009
0009-1
Permanent Location Notes
997.016.005 stored as part of 997008001
Condition Remarks
(a) The vaporizer arrived very dirty, dusty and oily; the metal shows some minor wear, but no corrosion; (b) the glass has no excessive wear, chips or cracks; the manufacturer's label on the back is missing; #2 no new damage
Copy Type
Original
Reference Types
Person
Book
Document
Other
Reference Comments
"Ward's Anaesthetic Equipment" by Andrew Davey, John T. B. Moyle and Crispian S. Ward, 1992, pp. 75-77; Dr. Ray Matthews; see attached photocopied information on ether vaporizers from a Boyle Model 10 catalogue: this vaporizer is the model illustrated on p. 6; also see 997.008.036 a,b
Research Facts
The plunger varies the ether concentration in the gas flow;
Exhibit History
On exhibit in Museum gallery, Anaesthesia exhibit - Oct. 2, 1997-Oct. 24, 2001