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Face mask

Face mask

1890-1920

Face mask

Face mask

1894-1930

2-valve manifold (sectioned)

2-valve manifold (sectioned)

1985-1995

Stop-cock for anaesthetic

Stop-cock for anaesthetic

1866-1919

Single straight bore stopcock

Single straight bore stopcock

Three-way T-shape stopcock

Three-way T-shape stopcock

Three way stopcock

Three way stopcock

Modern ferrule and stopcock

Modern ferrule and stopcock

Stopcock single straight bore

Stopcock single straight bore

Stopcock, two oblique bore stopcocks joined make a "T"

Stopcock, two oblique bore stopcocks joined make a "T"

Glass stopcock from ozonometer

Glass stopcock from ozonometer

1864

Stopcock for Polarograph Electrode Module

Stopcock for Polarograph Electrode Module

1960-1979

Three-way oblique bore stopcock

Three-way oblique bore stopcock

Single straight bore stopcock

Single straight bore stopcock

Stopcock, single straight bore

Stopcock, single straight bore

Three-way oblique bore stopcock

Three-way oblique bore stopcock

Bronze stopcock

Bronze stopcock

1-1900

Straight stopcock

Straight stopcock

Three way brass stopcock

1790-1819

Face mask and stop-cock from apparatus for ethyl chloride or nitrous oxide anaesthesia, English, 1866-1919

Face mask and stop-cock for anaesthetic

1866-1919

Stop cock, lead and bronze, Roman, 10-350AD

Stop cock, lead and bronze, Roman, 10-350AD

10-350 CE

Face mask from apparatus for ethyl chloride or nitrous oxide anaesthesia, English, 1866-1919

Face mask for anaesthetic

1866-1919

Stopcock, bronze, complete, with original repair in lead, Roman, 10-350AD

Stopcock, bronze, complete

10-350 CE

Face mask and stopcock from "Somnoform Inhaler, No. 2, Ideal Improved", England, 1871-1920

Face mask and stopcock from "Somnoform Inhaler

1871-1920

Stopcock, "Rotaflow" plastic bore stopcock with a ground glass upper socket and ground glass lower cone, with a red plastic tap, made by London Glassware Manufacturers Ltd, 200 Ravenscroft Road, Beckenham, Kent, UK between 1982 to 2000. The object is marked with the red "Rotaflow" trademark and the blue "LGM" trademark.

Rotaflow stopcock

1982-2000

Laboratory glassware, glass tube with two 90° bends; maker, place and date of manufacture unknown. At one end the object has a Quickfit ground glass socket and at the other end a small glass bulb with a 3-way stopcock.

Tube with stopcock

Clover's stopcock, for regulating the supply of air

Stopcock for Clover's chloroform Inhaler

1862-1894

Stopcock, T-piece with two arms having single bore stopcocks and the third arm is bent. Maker, place and date of manufacture unknown. Both stopcocks have chains wrapped around the keys. The longest arm goes through a cork bung, which has a second glass tube exiting from the underside of the bung and also present is a third hole with no tubing.

T-piece with two stop-cocks

Laboratory glassware, 200 mL conical flask holding a custom made stopcock and tube arrangement. Conical flask made by James A Jobling & Co Ltd., Wear Glass Works, Millfield, Sunderland, England, date 1922-1975. The flask has, near the mouth, a circular trademark in green with "PYREX" at the top, "MADE IN ENGLAND" at the bottom and the "JP" monogram at both sides. Below the circular trademark is the capacity “200 ML”, also in green. In the mouth of the flask sits a custom made tube with a ground glass cup at the top, leading down to a two-way stopcock and then into a tube. Just below the ground glass cup there is what appears to be a capilliary valve. The tube leading away from the stopcock is enclosed in a glass surrounding that could be evacuated, although the evacuation tube is broken.

Stopcock and evacuation tube

Part of metal stopcock, Roman, 1st-3rd centuries AD

Part of metal stopcock

1-300 CE

Stopcock, stopcock with long tap handle, one plain side arm and one bent side arm, maker, place and date of manufacture unknown.

Stopcock with long tap handle, one plain side arm and one bent side arm

Stopcock, oblique bore stopcock at base of tube with side arm featuring another stopcock, maker, place and date of manufacture unknown.

Oblique bore stopcock at base of tube with side arm featuring another stopcock.

Stopcock, single bore stop cock with "T" junctions on both of the side-arms. Maker, place and date of manufacture unknown. Both "T" pieces have rubber bungs. Stopcock barrel inscribed with "1908-113"

Stopcock, single bore with "T" junctions

Stopcock, bent tube with a ground glass stopcock in the longer section, maker, place and date of manufacture unknown.

Bent tube with ground glass stopcock

Stopcock. Friedrich's one way glass stopcock with oblique borings. . Maker, place and date of manufacture unknown.

Friedrich's one way stopcock

Stopcock, Oblique bore stopcock with reservoir at top and bottom to prevent entrance of air, maker, place and date of manufacture unknown.

Oblique bore stopcock with reservoir at top and bottom

Stopcock, Friedrich's two ways glass stopcock,, made with oblique borings. Maker, place and date of manufacture unknown.

Friedrich's two ways stopcock

stopcock, single straight bore stopcock with capillary side tubes, one of which has a bulb at the end, made by Laboratory Glassware Manufacturers Ltd, Beckenham, Kent, England, date of manufacturer unknown. The object has the number '50' inscribed on the key and on the body of the stopcock with the bore size '2mm'. The object has the letters 'LGM' printed at the end near to the bulb.

single straight bore stopcock with capillary side tubes, one of which has a bulb at the end

unknown