Lens Work for Amateurs
Lens Work for Amateurs
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In our eReader you can find the full English version of the book. Read Lens Work for Amateurs 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 Lens Work for Amateurs
What reading level is Lens Work for Amateurs book?
To quickly assess the difficulty of the text, read a short excerpt:
No. 7.
Piano Diameter . Substance of flint . Crown Piano Diameter . Substance of flint . Crown Piano Diameter .
Substance of flint .
crown Piano Diameter . . .
Substance of flint .
crown 9 Template 9 9 36 075 075 6 Template 6 6 24 05 05 45 Template 45 45 18 0375 0375 3 Template 3 3 14 025 025 These will be as shallow or as deep as any one would want to go for a magnifier ; but if wanted to make pairs of them, they will all work one with the other. For instance, the pair of No. 2 and No. 4 put a...t a suitable distance would make a lens of about l|-in. Focus. Any of these pairs are far superior to the 154 LENS-WORK FOR AMATEURS [CHAP.
doublet or triplet systems for dissecting purposes, as well as being a basis for all shallow-power microscope objectives.
Triple Achromatic Magnifiers. Two handy triple systems that can be used either as objectives or magni- fiers are as follows, only to get sufficient sharpness they must be stopped down somewhat : Fig. 179.
Fig. 179. No. 1 + -14 Template + '7 -?
What to read after Lens Work for Amateurs?
You can find similar books in the "Read Also" column, or choose other free books by Henry Orford to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
No. 7.
Piano Diameter . Substance of flint . Crown Piano Diameter . Substance of flint . Crown Piano Diameter .
Substance of flint .
crown Piano Diameter . . .
Substance of flint .
crown 9 Template 9 9 36 075 075 6 Template 6 6 24 05 05 45 Template 45 45 18 0375 0375 3 Template 3 3 14 025 025 These will be as shallow or as deep as any one would want to go for a magnifier ; but if wanted to make pairs of them, they will all work one with the other. For instance, the pair of No. 2 and No. 4 put a...t a suitable distance would make a lens of about l|-in. Focus. Any of these pairs are far superior to the 154 LENS-WORK FOR AMATEURS [CHAP.
doublet or triplet systems for dissecting purposes, as well as being a basis for all shallow-power microscope objectives.
Triple Achromatic Magnifiers. Two handy triple systems that can be used either as objectives or magni- fiers are as follows, only to get sufficient sharpness they must be stopped down somewhat : Fig. 179.
Fig. 179. No. 1 + -14 Template + '7 -?
What to read after Lens Work for Amateurs?
You can find similar books in the "Read Also" column, or choose other free books by Henry Orford to read onlineMoreLess
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