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66
in the ordinary way. Bradford is provided with three separateDestructor
Installations errected by the Horsfall Destructor Co.,
Ltd.
2. Cast-iron Drain Pipes and Fittings.
Messrs. Burn Bros., of Glasgow and London, obtained a silver
medal for their exhibit of iron drains and fittings (glass enamelled
on the insides). Iron drains appear to be coming more into use
in connection with drainage work, and are found especially useful
underneath houses or buildings, in soils that "give," etc. Square
gully plugs were also a feature of the exhibit of Messrs. Burn
Brothers.
3. Milk Sterilisation.
Messrs. Pale's & Barnes' Milk Purifier was exhibited by Messrs.
Defrics, of London. This is a new method, consisting of a single
run of coils, through which the milk is passed and (a) heated and
afterwards (b) cooled. In this way, the milk is raised to a
temperature of 100 deg. C. (nearly) without any alteration in its
flavour, or digestibility, due to the fact that the milk is never
exposed to the air until after sterilisation is completed, i.e., until
after the milk in the coils has been both heated and cooled—by
means of steam and cold water applied respectively to the outsides
of such coils. The insides of the coils can be easily cleansed daily
by running water (or water and Soda) through them, the water
being heated as required by steam applied to the outsides of the
coils. This steriliser is a great improvement, and will be
considered more at length, should the establishment of the Lambeth
Depot be under consideration by the Health Committee. The
exhibit was awarded a bronze medal.
4. Saturated Steam Disinfedors.
A new apparatus was shewn by Messrs. Defries for the giving
of efficient control over steam disinfectors by getting rid of all
residual air out of the chamber before passing in the steam. The
apparatus is simple, and can be readily attached to existing
destructors at a small cost.
5. Covered Dust-Vans.
The Champion dust-van, for which the London County Council
awarded a premium of £25 as being the best vehicle designed for
the collection and removal of dust and house refuse, was much in
evidence at the stall of Messrs. Glover & Sons, Limited, of
Warwick. The van is fitted with patent wind-guards and sliding