Half-hours with the microscope; being a popular guide to the use of the microscope as a means of amusement and instruction (1863)
Lankester, Edwin, 1814-1874 · London, R. Hardwicke · leaf 41
therefromwhen not required; at the sametime the hole in the main bodybeing closed by a shutter, theinstruDient is reduced to itsoriginal condition. The sameeffect, however, is producedwithout the removal of theadditional tube, by simplywithdrawing the prism thatbisects the light, which beingno… … 16 THE STRUCTURE OJ nism of tlie instrument. Let G represent the bodyof the ordinary Microscope and B the secondarytube attached to the side of the former, which itwill be seen has a portion of its surface cut awayat the point of junction, F, as a means of commu-nication between them. The…
Microscopy
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