The Appendix is intended, not to bias or modify the judgment of
the would-be purchaser of a generator, but merely to assist him in
ascertaining what generators there are now on the market.
The observations on the selection of a generator which follow, as well as
any references in other chapters to the same matter, have been made
without regard to particular apparatus of which a description may (or may
not) appear in the Appendix. With this premise, it may be stated that the
intending purchaser should regard the mechanism of a generator as shown
in a sectional view or on inspection of the apparatus itself. If the
generator is simple in construction, he should be able to understand its
method of working at a glance, and by referring it to the type
(_vide_ Chapter III.) to which it belongs, be able to appraise its
utility from a chemical and physical aspect from what has already been
said. If the generator is too complicated for ready understanding of its
mode of working, it is not unlikely to prove too complicated to behave
well in practice. Not less important than the mechanism of a generator is
good construction from the mechanical point of view, _i.
Pages:
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257