File:The microscope and its revelations (1901) (14580336379).jpg

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English:

Identifier: microscopeitsrev00carp (find matches)
Title: The microscope and its revelations
Year: 1901 (1900s)
Authors: Carpenter, William Benjamin, 1813-1885 Dallinger, W. H. (William Henry), 1842-1909
Subjects: Microscopy Microscopes Natural history
Publisher: Philadelphia, P. Blackiston's Sons and Co.
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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Text Appearing Before Image:
Fio. 120.—A Ross microscope fl<s:i;i. chanical movements are employed acting diagonally on either side ofthe stem by rather fine screws, so that the motions are slow. But A. Ross at an early period worked out a Lister form, ofmicroscope, with the limb supporting the body-tube. He applied afine adjustment in this to act upon the nose-piece only, which, aswe shall subsequently see, is a very interior method. This instru-ment dates from 1839, and is shown in fig. 120. In 1842 he 1 Trans. Boy. Soc. ls-21).
Text Appearing After Image:
• -ope, puivl.iisr.l by R.M. Society in 1841. PRINCIPAL MODERN STANDS 155 changed the form to that shown in fig. 123, p. 158. Ross triedvarious modifications of this fine adjustment and model, but fromabout 1843 he worked only at the lever method as applied to thenose-piece through the cross arm and brought it to a relativelyhigh state of perfection. But the full possibilities of this method,as concerned its sensitiveness, were never utilised by Ross, and itwas Hugh Powell who first published an account of his long level-fine adjustment in the London Physiological Journal, November1843. The published account of Rosss long lever fine adjustmentdid not appear until a month later, viz. December 1843. In 1835 Powell made a microscope with an extremely delicatefine adjustment applied to the stage. The mechanism and theworkmanship were excellent (we give a drawing of a later form ofthe instrument at fig. 121), and this fine adjustment is one of theslowest and steadiest as yet made. In one

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https://www.flickr.com/photos/internetarchivebookimages/14580336379/

Author

Carpenter, William Benjamin, 1813-1885;

Dallinger, W. H. (William Henry), 1842-1909
Permission
(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Flickr tags
InfoField
  • bookid:microscopeitsrev00carp
  • bookyear:1901
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Carpenter__William_Benjamin__1813_1885
  • bookauthor:Dallinger__W__H___William_Henry___1842_1909
  • booksubject:Microscopy
  • booksubject:Microscopes
  • booksubject:Natural_history
  • bookpublisher:Philadelphia__P__Blackiston_s_Sons_and_Co_
  • bookcontributor:MBLWHOI_Library
  • booksponsor:MBLWHOI_Library
  • bookleafnumber:181
  • bookcollection:biodiversity
  • bookcollection:MBLWHOI
  • bookcollection:blc
  • bookcollection:americana
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
28 July 2014



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