Microscopical Praxis; Or, Simple Methods of Ascertaining the Properties of Various Microscopical Accessories
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In our eReader you can find the full English version of the book. Read Microscopical Praxis; Or, Simple Methods of Ascertaining the Properties of Various Microscopical Accessories Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Microscopical Praxis; Or, Simple Methods of Ascertaining the Properties of Various Microscopical Accessories
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To quickly assess the difficulty of the text, read a short excerpt:
It is exceedingly important to know the thickness of the cover when using non-adjustable objectives. These lenses are corrected by their makers for a certain thick- ness, and as the adjustment cannot be changed, and since the microscopist, until recently, has not known for what cover-thickness the objectives were intended, he was at the mercy of circumstances, and forced to ac- cept and be content with whatever image he could get.
Now we are able to use covers of at least approximate correctnes...s with our non-adjustable objectives, thanks to Prof. S. H. Gage, of Cornell Universitj', who has in- vestigated the matter. Prof. Gage submitted certain questions in relation to the subject to the various opti- cians of the world, and from his published results I take the following, so that the reader, if he possess non-adjustable objectives by any of these makers, may use covers of the proper thickness to obtain the best results, provided his microscope body-tube is of the standard length.
I J.
What to read after Microscopical Praxis; Or, Simple Methods of Ascertaining the Properties of Various Microscopical Accessories?
You can find similar books in the "Read Also" column, or choose other free books by Alfred C Alfred Cheatham Stokes to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
It is exceedingly important to know the thickness of the cover when using non-adjustable objectives. These lenses are corrected by their makers for a certain thick- ness, and as the adjustment cannot be changed, and since the microscopist, until recently, has not known for what cover-thickness the objectives were intended, he was at the mercy of circumstances, and forced to ac- cept and be content with whatever image he could get.
Now we are able to use covers of at least approximate correctnes...s with our non-adjustable objectives, thanks to Prof. S. H. Gage, of Cornell Universitj', who has in- vestigated the matter. Prof. Gage submitted certain questions in relation to the subject to the various opti- cians of the world, and from his published results I take the following, so that the reader, if he possess non-adjustable objectives by any of these makers, may use covers of the proper thickness to obtain the best results, provided his microscope body-tube is of the standard length.
I J.
What to read after Microscopical Praxis; Or, Simple Methods of Ascertaining the Properties of Various Microscopical Accessories?
You can find similar books in the "Read Also" column, or choose other free books by Alfred C Alfred Cheatham Stokes to read onlineMoreLess
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