Bauhaus-Universität Weimar

Titel:
Helmholtz's treatise on physiological optics. Volume 2. Edited by James P. C. Southall. Translated from the 3rd German edition
Person:
Helmholtz, Hermann von
PURL:
https://digitalesammlungen.uni-weimar.de/viewer/image/lit39650/236/
224 
The Sensations of Vision 
[190, 191. 
describe during their rapid motion shines out brightly owing to the light that 
is reflected by them, and dark lines are seen on this surface at the places where 
a front piece of the ring hides one behind it. The general principle of these 
phenomena has been enunciated by Plateau. When two illuminated curves 
traverse the field of view so rapidly as to leave behind them an apparently 
continuous illumination of the surface, there will be a dark line in this 
field of light connecting the points where the curves intersect each other if 
the light from one curve cannot pass through the other. 
Newton1 estimated the duration of the light impression as being equal to 
one second. Subsequently it was measured by various individuals by finding 
how long the impression lasted when a red-hot coal was revolved in a circle. 
Senger2 found the time to be a half of a second; d’Arcy,3 eight sixtieths of a 
second; and Cavallo,4 one-tenth of a second. Parrot5 found that the 
impression lasted for a shorter time in a bright room than in a dark one. Then 
followed Plateau’s subsequent measurements6 on the different durations of 
the impressions of different colours; and those of Emsmann.7 
Musschenbroek8 mentions colour tops without naming any older 
observer. Special forms of such devices were described by E. G. Fischer,9 
Lüdicke,10 and Busolt.11 
The almost simultaneous invention of the stroboscopic discs by Plateau 
and Stampfer at the end of the year 1832 has already been mentioned. The 
construction of the anorthoscope by Plateau12 came in January 1836. The 
latter also developed the theory of the phenomena in much detail. 
1704. I. Newton, Optice. Quaestio XVI. 
1740. Segner, De raritate luminis. Gottingae 1740. 
1760. Musschenbroek, Introductio ad philos, natur. §1820. 
1765. d’Arcy, Sur la durée de la sensation de Ta vue. Mém. de VAcad, des Sc. 1765. p. 450. 
1795. T. Cavallo, Naturlehre, translated by Trommsdorf. III. 132. 
1800 A. F. Lüdicke, Beschreibung eines Schwungrades, die Verwandlung der Regen¬ 
bogenfarben darzustellen. Gilberts Ann. V. 272. 
1810. Idem, Versuche über die Mischung prismatischer Farben. Ibid. XXXIV. 4. 
Beschreibung eines Chromoskops. Ibid. XXXVI. and LII. 
1819. Parrot, Entretiens sur la Physique. Dorpat 1819-24. III. 235. 
1825. Roget in Philosophical Transact. 1825. I. 131; Poggendorffs Ann. V. 93. (Curves 
of wheel-spokes). 
1827. E. G. Fischer, Lehrbuch der mechanischen Naturlehre. Berlin II. 267. (Colour tops.) 
Paris, Thaumatrop. Poggendorffs Ann. X. 480; Edinb. Journ. of Sc. VII. 87. 
Th. Young, Optische Erscheinung bei einer schwingenden Saite. Poggendorffs 
Ann. X. 470-480. 
1 Optice. Quaestio XVI. 
2 De raritate luminis. Gott. 1740. 
3 Mém. de Paris. 1765. p. 450. 
4 Naturlehre translation of Trommsdorf. III. 132. 
5 Entretiens sur la Physique. Dorpat 1819-24. III. 235. 
6 Poggendorffs Ann. XX. 304-324. 
7 Poggendorffs Ann. XCI. 611. 
8 Introd. ad philos, natur. §1820. 
9 Lehrbuch der mechanischen Naturl. Berlin 1827. II. 267. 
10 Gilberts Ann. V. 272 and XXXIV. 4. 
11 Poggendorrfs Ann. XXXII. 656. 
12 Bull, de Brux. 1836. III. 7. Idem in Poggendorffs Ann. XX. 319-543. 
646. XXXVII. 464. LXXVIII. 563. LXXIX. 269. LXXX. 150, 287. 
XXXII.
        

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