cover image: Asiatick Researches. Transactions of the Physical Class of the Asiatic Society of Bengal

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Asiatick Researches. Transactions of the Physical Class of the Asiatic Society of Bengal

1833

'Now this supposes that we can determine the precise point on the limb of the instrument situated in the vertical plane passing through the line of collimation of the telescope and also in that passing through the axis of the needle. [...] The first can be done by reversing the telescope and repeating the intersetion of the object taking the mean of the two readings as the true place of the telescope on the limb. [...] The telecope being then made to pass through the 0° and the 180° divisions of the exterior limb was found to form an angle with the line of north and south in the compass-box the wire of the telescope passing to the west of the north end and to the east of the south end. [...] The Declination instrument is made by GILBERT ; the azimuth circle is of eight inches diameter and divided to 30' subdividing to single minutes; the divisions are rend by three verniers at equal distances and each observation below noted is the result of twelve readings ; i. e. three with the face of the altitude circle to the east and three to the west from the north end of the needle and [...] The sides of breast and belly and the lower part of the back the upper and under tail coverts and outer margins of the lateral tail feathers near the body are pale clear ferruginous—the wings and tail dusky the former with the outer margins of all the feathers but the great quills longitudinally striped with rufescent white and the latter with all its feathers tipped with the same colour.
history
Pages
326
Published in
India
SARF Document ID
sarf.120107
Segment Pages Author Actions
Frontmatter
i-iv unknown view
I. Observations on the Inclination and Declination of the Magnetic Needle
1-12 J.A. Hodgson, Monsieur Blossville view
II. On a Species of Aquila CircÆetus and Dicrurus
13-i Hodgson view
III. Sketch of the Geology of Central India Exclusive of Malwa
27-ii James Hardie view
IV. On the Formule for Calculating Azimuth in Trigonometrical Operations
93-106 G. Everest view
V. Memorandum on the Fossil Shells Discovered in the Himalayan Mountains
107-ii R. Everest view
VI. On the Geology of the Peninsula
115-121 S. Macpherson view
VII. On the Migration of the Natatores and Grallatores as Observed at Kathmandu
122-128 B.H. Hodgson view
VIII. The Wild Goat and the Wild Sheep of Nepal
129-iii B.H. Hodgson view
IX. On the Ratwa Deer of Nepal
139-148 B.H. Hodgson view
X. Short Sketch of the Geology of Pulo Pinang and the Neighbouring Islands with a Map and Sections
149-ii T. Ward view
XI. Description of the Buceros Homrai of the Himalaya
169-i B.H. Hodgson view
XII. On the Compensation Measuring Apparatus of the Great Trigonometrical Survey of India
189-iii Everest view
XIII. Experiments on the Strength and Elasticity of Indian Woods
215-220 H.C. Baker view
XIV. Description of the Wild Dog of the Himalaya
221-237 B.H. Hodgson view
XV. Observations on the Spiti Valley and Circumjacent Country Within the Himalaya
238-278 J.G. Gerard view
XVI. Note on the discovery of Platina in Ava
279-284 James Prinsep view
Index
285-287 unknown view
Appendix
i-ix unknown view
Appendix
i-vii unknown view
Backmatter
i-ii unknown view

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