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The advantages of the apparatus beyond the supreme advantage of high
pressure steam are two-fold. The square shape permits of full-sized mattresses
being laid flat and provides for great capacity. The complete double jacketing,
together with the hot blast, entirely prevent any condensation.
There is economy of space, of heat, and of steam in having the boiler and the
chamber in one complete.
The apparatus, roughly, cost £200, inclusive of boiler, but exclusive of fitting
and extras.
Two hand-trucks are now employed instead of one, the one to bring infected
articles and the other to return disinfected articles; the one truck used formerly
was disinfected each journey. The substitution of a horse for the two men
employed in dragging these trucks, which in the end would prove more economical,
has become an urgent necessity since the increased disinfection, following upon the
increased number of infectious diseases notified.
Vaccination.—The following tables, supplied by Messrs. Richards and Webb,
Vaccination Officers, are a return of the vaccinations performed from the middle
of 1888 to the middle of 1889:—