This historic book may have numerous typos and missing text.
Purchasers can usually download a free scanned copy of the original
book (without typos) from the publisher. Not indexed. Not
illustrated. 1906 edition. Excerpt: ...previous dehydration, to
creosotum fagi for 4 to 24 hours, according to their size, and
finally put into pure creosote for two or three hours longer. On
removal the superfluous creosote is taken up with blotting paper,
the objects are soaked in xylol or toluol for an hour, and then
embedded in paraffin as usual. Carl Zeiss' New Catalogue. The 33rd
edition of Messrs. Zeiss' new catalogue has just been issued and
shows certain modifications from former editions, more especially
with regard to microscope stands, certain models having been
withdrawn, and others added. To their larger stands Messrs. Zeiss
fit their new " Berger " form of micrometer fine adjustment, which
is a great improvement on the older form, the consequent alteration
in the limb enabling them to add also a convenient, yet
unobtrusive, handle for lifting the microscope. The provision of
such a handle is, however, even more necessary in the older form of
microscope where the whole limb, instead of being fixed as in the
above models, is borne upon the upright triangular bar of the fine
adjustment, for it is by this limb that the average student
persists in lifting his microscope. A new upright stand for rough
laboratory use has been added, which is fitted with a coarse
adjustment only, corresponding to similar stands made by Leitz and
other makers. Perhaps of even more interest, however, to the
general microscopist is the fact that in the present catalogue
Messrs. Zeiss have considerably reduced the prices of many of their
achromatic objectives, the old D of-j--inch focal length, for
instance, being reduced from 2 2s. to 1 15s., and the I-12th inch
oil immersion from 8 to 6 55. The Huygenian oculars, nose-pieces,
|Country of origin:
||246 x 189 x 15mm (L x W x T)
||Paperback - Trade
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