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 259
Fig. 166. CARL ZEISS. The instrument can be inclined at any angle as far as the horizontalposition. We will now examine the principal objectives of the firm. As we havealready stated, their ordinary objectives are excellent, and the apochromatic … Fig. 167. CARL ZEISS. 239 ones include specimens whose perfection has not been equalled by any othermaker. We will first take the ordinary series and examine the objectives calledCC, D, DD, and F, with which we are well acquainted from a prolongedusage. All of these give perfectly clear images, and…
Microscopy
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