The microscope : its construction and management : including technique, photo-micrography, and the past and future of the microscope (1893)
Heurck, Henri van, 1838-1909 · London : C. Lockwood ; New York : D. Van Nostrand Co. · leaf 237
thecylinder. This piece of apparatus is pressedfrom above downwards by a spring, and isheld at the side by four solid arms, whichmove diagonally. By screwing or unscrew-ing the milled head of the fine adjustmentat the bottom of the cylinder the micro-scope tube is raised or lowered. Thissystem is… … Fg- 154- 1.-Ordinary Objectives. No. 00. of 2$ inches, numerical apertureinch ., ,, II.IV.V.VIA.IX.X. 1-7U1 inchi-i2th ,,1-3th „i-i2th ,, 90 (with correction) .. 30 (homogeneous immersion) 3° ii 11 1 [6 o 3 15 °60010 o o Focus of 16mm. Apochromatic Objectives. 30 (2-3rd inch) N.A i-3rd „ (i-6th ,,…
Microscopy
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
