๐”– Bobbio Scriptorium
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Preliminary investigation of the diameter of Mars

โœ Scribed by T. J. J. See


Publisher
John Wiley and Sons
Year
1901
Tongue
English
Weight
760 KB
Volume
157
Category
Article
ISSN
0004-6337

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๐Ÿ“œ SIMILAR VOLUMES


Micrometer Measures of the Diameter of M
โœ Henry S. Pritchett ๐Ÿ“‚ Article ๐Ÿ“… 1880 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 283 KB ๐Ÿ‘ 2 views

Saci dem ich durcli I~iuid 3 liiidsay-s ~efldligc JIitLhcilung yon dem neucn Nebcl Kunde erhnltct: Iiatte, ward der Ort merst DEC. 5. (187'3) a m Sucher rnit Hiilftx dci B L>, crniittelt Am G Dcc. Lcobachtete ich den Setwl am (ifuss. Refr. S n 300maliger und an noch starkerer Yergrosserung faiid ich

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โœ C. W. Pritchett ๐Ÿ“‚ Article ๐Ÿ“… 1885 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 95 KB ๐Ÿ‘ 1 views

At the o!iliosition of 1879-80, I measured with the large filar-micrometer of our refractor, a series of groups of the diameters of Mars. These were reduced by Prof. Henry S. Pritchett, (now of Washington University, Saint 1,ouis) and were published in A. N. 2309. At the next opposition, I measured

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It hi ~ been demonstrated that a conductive flame, with a suitable arrangement of electrodes and coupling circuitry, can ransform an electrical signal into a high level acoustic output, in both the audible and ultrasonic range. The inp,~ signal will also be detected optically by a photocell focused