File:Principles of Microscope - Plate 1.jpg

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Summary

Description
English:
Sardu: Plate
I. (Frontispiece).

A. Radiant field consisting of white disk disposed on a black ground, with inset figure showing that a dark margin is developed round a glass spherule when placed in position against such a field. (Dark outline picture.)

B. Radiant field consisting of black disk disposed on a white ground, with inset figure showing that a bright margin is developed round a glass spherule when placed in position against such a field. (Dark ground illumination.)

C. Radiant field consisting of a homogeneous white surface, with inset figure showing that a glass spherule is only very lightly outlined when placed in position against such a field. (Suppression of outline picture. )

D. Radiant field consisting of a blue disk disposed upon a red field, with inset figure showing that a spherule placed in position against such a field is seen as a blue object delineated by a red outline (illumination by differentially coloured light).

E. Series of extemporized substage stops made in the manner described in Cap. II., Sect. II., subsect. 2., p. 20.

a. dark outline picture; b. bright outline picture; c. picture in relief; d. pure colour picture; e. colour and outline picture (vide pp. 3-4 and p. 12).
Date
Source https://en.wikisource.org/wiki/Page:Principles_of_Microscope.djvu/8
Author Almroth Wright

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Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Principles_of_Microscope_-_Plate_1.jpg

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