 Now to the working microscopist, unless he be studying the particular class of objects which expressly require this condition, it is a source of great inconvenience and loss of time, to be obliged to be continually making these adjustments ; and a lens,...  The Microscope and its revelations - Page 167by William Benjamin Carpenter - 1856 - 778 pagesFull view - About this book
 | Geology - 1859 - 482 pages
...this condition, it is a source of great inconvenience and loss of time to be obliged to be continually making these adjustments; and a lens, which, when adjusted for a thickness of glass of T^/', will perform without much sensible deterioration with a thickness either of ^f" or of T.iV'i... | |
 | American Academy of Arts and Sciences - Humanities - 1860 - 490 pages
...this condition, it is a source of great inconvenience and loss of time to be obliged to be continually making these adjustments ; and a lens, which, when adjusted for a thickness of glass of firs", will perform without much sensible deterioration with a thickness either of v,, or of ,£ff",... | |
 | American Academy of Arts and Sciences - Humanities - 1860 - 472 pages
...this condition, it is a source of great inconvenience and loss of time to be obliged to be continually making these adjustments ; and a lens, which, when adjusted for a thickness of glass of y^", wiN perform without much sensible deterioration with a thickness either of ¥y or of 1^u", is... | |
 | Microscopes - 1855 - 476 pages
...condition, it is a source of great inconvenience and loss of time, to be obliged to be continually making these adjustments ; and a lens, which, when...purposes. Moreover, a lens of moderate aperture has this very great advantage, that the parts of the object which are less perfectly in focus can be much better... | |
 | Science - 1859 - 948 pages
...this condition, it is a source of great inconvenience and loss of time to be obliged to be continually making these adjustments ; and a lens, which, when adjusted for a thickness of glass of ; ,!,,T"- will perform without much sensible deterioration with a thickness either of •fa" or of... | |
 | American Academy of Arts and Sciences - Humanities - 1860 - 468 pages
...this condition, it is a source of great inconvenience and loss of time to be obliged to be continually making these adjustments ; and a lens, which, when adjusted for a thickness of glass of TOT/') wiU perform without much sensible deterioration with a thickness either of ¥y or of j^V', is... | |
 | Cytology - 1855 - 488 pages
...condition, it is a source of great inconvenience and loss of time, to be obliged to be continually making these adjustments ; and a lens, which, when...purposes. Moreover, a lens of moderate aperture has this very great advantage, that the parts of the object which are less perfectly in focus can be much better... | |
 | Cytology - 1855 - 470 pages
...condition, it is a source of great inconvenience and loss of time, to be obliged to be continually making these adjustments ; and a lens, which, when...purposes. Moreover, a lens of moderate aperture has this very great advantage, that the parts of the object which are less perfectly in focus can be much better... | |
 | Cytology - 1855 - 486 pages
...condition, it is a source of great inconvenience and loss of time, to be obliged to be continually making these adjustments ; and a lens, which, when...without much sensible deterioration with a thickness cither of 1-80" or of 1-1 "20", is practically the best for all ordinary purposes. Moreover, a lens... | |
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