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192
It consists of : —
(1) a retort containing some cakes, which is heated hy being suspended
over a methylated spirit lamp ;
(2) a container, to hold the gas as it is made, and the water necessary for
its purification, in which the pressure is produced by springs, and which is provided with a safety Valve ; and
(3) a canbunator for producing the hydrogen.
The action of the generator may be explained as follows ; —
The retort is filled with cakes, and the methylated spirit lamp lit. The heat causes the cakes to give off oxygen, which passes into the container making it rise, and tilting the steel lever back. As this gas is used, and the container begins to descend, the steel lever before mentioned is pulled forward by a spring, bringing the retort forward with it, and thus exposing more cakes to the heat of the spirit flame. In this way more gas is generated before the whole of the first is consumed. This consumption of gas by the jet and the production of new gas are beautifully balanced, and continue until the whole of the cakes in the retort have been exhausted. Another retort may then be placed in position, and the lecture or performance need not be interrupted.
The Carbufator is a small brass cylinder containing a compressed sponge in which 10 ounces of ether can be saturated. The oxygen gas is conducted from the container to the Carburator, and there by pressure causes the ether to give off hydrogen. From the Carburator both gases are conducted to the jet by means of rubber tubes.
Firing back and other inconveniences experienced in so-called saturators, are entirely obviated, as there are valves to prevent this. With ordinary precaution it is as safe as any ordinary household appliance, such as a cooking stove or a paraffin lamp.
I
The Carburator for producing hydrogen gas.
In the event of either not being obtainable, this carburator will work very well with either methelated spirit, benzine, naptha, or petrol. Supplied in Box, 8 by tyinches.
PRICES.
THE KAMM GENERATOR THE KAMM CARBURATOR EXTRA SPIRIT LAMP OXYGEN CAKES
per lb.
£7 17 6
1 17 6
0 9 0
0 1 0
! all Instructions and Appliance, yiven with each apparatus j or making Oxyijeii Cakes,