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Knowledge & Illustrated Scientific News Volume 3 (Paperback) Loot Price: R403
Discovery Miles 4 030
Knowledge & Illustrated Scientific News Volume 3 (Paperback): Anonymous

Knowledge & Illustrated Scientific News Volume 3 (Paperback)


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Loot Price R403 Discovery Miles 4 030

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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modifications from former editions, more especially with regard to microscope stands, certain models having been withdrawn, and others added.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, &c., show...


Imprint: Rarebooksclub.com
Country of origin: United States
Release date: September 2013
First published: September 2013
Authors: Anonymous
Dimensions: 246 x 189 x 15mm (L x W x T)
Format: Paperback - Trade
Pages: 284
ISBN-13: 978-1-236-86606-6
Categories: Books
LSN: 1-236-86606-1
Barcode: 9781236866066

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