Report of the Annual MeetingJ. Murray., 1863 |
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الصفحة 107
... copper with the hardness of steel : it is made hard enough to penetrate the wrought - iron plate , but not so hard as to be brittle and break up when the projectile strikes against its sur- face . The advantage of the flat front as ...
... copper with the hardness of steel : it is made hard enough to penetrate the wrought - iron plate , but not so hard as to be brittle and break up when the projectile strikes against its sur- face . The advantage of the flat front as ...
الصفحة 111
... ( copper - fastened ) at a distance from the Observatory , where there are three wooden pillars solidly fixed in the ground , one for the instru- ments with which the coefficients of temperature and of induction of the magnetic bars are ...
... ( copper - fastened ) at a distance from the Observatory , where there are three wooden pillars solidly fixed in the ground , one for the instru- ments with which the coefficients of temperature and of induction of the magnetic bars are ...
الصفحة 126
... copper wire weighing one hundred grains ( a unit proposed by Professor Wheatstone in 1843 ) and one mile of copper wire of th in . in diameter , and weighing consequently about 84 grains per foot . The smaller units had generally been ...
... copper wire weighing one hundred grains ( a unit proposed by Professor Wheatstone in 1843 ) and one mile of copper wire of th in . in diameter , and weighing consequently about 84 grains per foot . The smaller units had generally been ...
الصفحة 127
... copper wire th in . in diameter at 15 ° C. Both of these units have been adopted in scientific experiments and in practical tests ; and it was thought that the absolute magnitude of the unit to be adopted should not differ widely from ...
... copper wire th in . in diameter at 15 ° C. Both of these units have been adopted in scientific experiments and in practical tests ; and it was thought that the absolute magnitude of the unit to be adopted should not differ widely from ...
الصفحة 129
... copper or a metre of mercury might not be very scientific standards , they produced a perfectly definite idea in the minds of even ignorant men , and might possibly , with certain precautions , be both permanent and reproducible ...
... copper or a metre of mercury might not be very scientific standards , they produced a perfectly definite idea in the minds of even ignorant men , and might possibly , with certain precautions , be both permanent and reproducible ...
المحتوى
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طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
1st mag 2nd mag 3rd mag altitude Altitude and Azimuth appears ascent August August 20 axes axis balloon Barometer Birkenhead Blue body bright Cassiopeia cent centre cloud coefficients Colour Committee compass conducting power COUNTIES continued Daniell's determined deviation dew-point direction Dry and Wet Duration electrical resistance electromotive force ellipsoid equations feet force formulæ given greatest common divisor Hawkhurst height horizontal Hygrometer inches Inclined instruments invariable plane iron July Kew Observatory length light Liverpool magnetic memoir mercury metal meteor miles moon motion nearly Observatory obtained p.m. Greenwich p.m. Ibid Perpendicular plane position principal axes Professor properly primitive Regnault's Remarks Report resistance rotation ship shooting-stars sparks species surface tail Temp temperature theory thermometers tion track left train Ursa Ursa Major velocity vertical Vis Viva W. C. Nash W. H. Wood wire
مقاطع مشهورة
الصفحة 141 - And Jacob came to Shalem, a city of Shechem, which is in the land of Canaan, when he came from Padan-aram; and pitched his tent before the city.
الصفحة xix - RECOMMENDATIONS. The General Committee shall appoint at each Meeting a Committee, which shall receive and consider the Recommendations of the Sectional Committees, and report to the General Committee the measures which they would advise to be adopted for the advancement of Science.
الصفحة xviii - ... They are eligible to all the Offices of the Association. ASSOCIATES for the year shall pay on admission the sum of One Pound. They shall not receive gratuitously the Reports of the Association, nor be eligible to serve on Committees, or to hold any office.
الصفحة 248 - Recherches sur la précession des equinoxes et sur la nutation de l'axe de la terre, dans le système Newtonien.
الصفحة xlvii - Publication of the British Association Catalogue of Stars 351 14 6 Meteorological Observations at Inverness 30 18 11 Magnetic and Meteorological Cooperation 16 16 8 Meteorological Instruments at Edinburgh 18 11 9...
الصفحة 110 - Such facts show how indirectly the conditions of life must act. Again, innumerable instances are known to every naturalist of species keeping true, or not varying at all, although living under the most opposite climates. Such considerations as these incline me to lay very little weight on the direct action of the conditions of life.
الصفحة xlii - Resistance ; and that the sum of £50 be placed at their disposal for the purpose." This was the afterwards well-known Committee on Electrical Standards, which, with various additions to its list of members, continued in existence till 1870, and in furtherance of whose labours sums amounting altogether to £590 were paid by the Association. I need scarcely remind the Society that...
الصفحة xvii - General Meeting. COMPOSITIONS, SUBSCRIPTIONS, AND PRIVILEGES. LIFE MEMBERS shall pay, on admission, the sum of Ten Pounds. They shall receive gratuitously the Reports of the Association which may be published after the date of such payment. They are eligible to all the offices of the Association. ANNUAL SUBSCRIBERS shall pay, on admission, the sum of Two Pounds, and in each following year the sum of One Pound. They shall receive gratuitously the Reports of the Association for the year of their admission...
الصفحة xlii - Fox be the secretary, and that the sum of £25 be placed at their disposal for the purpose.
الصفحة 385 - I then drew up my legs, which had been extended, and took a pencil in my hand to begin observations. Mr. Coxwell told me that he had lost the use of his hands, which were black, and I poured brandy over them. I resumed my observations at 2h.