Report of the Annual MeetingJ. Murray., 1863 |
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النتائج 1-5 من 11
الصفحة 128
... galvanometer affords a ready means of determining the value in electro - magnetic units of any current y in function of the horizontal com- ponent of the earth's magnetism H , the radius of the coil R , its length L , and the deflexion ...
... galvanometer affords a ready means of determining the value in electro - magnetic units of any current y in function of the horizontal com- ponent of the earth's magnetism H , the radius of the coil R , its length L , and the deflexion ...
الصفحة 153
... galvanometer in its circuit , enabled me to attain a precision of within 0.01 per cent . The mercury spirals , as may be seen by the accompanying drawing * , are provided with cups at their ends . for convenience of filling and for ...
... galvanometer in its circuit , enabled me to attain a precision of within 0.01 per cent . The mercury spirals , as may be seen by the accompanying drawing * , are provided with cups at their ends . for convenience of filling and for ...
الصفحة 159
... galvanometer , G , and the battery , B , that no current passes through the galvanometer when the conductors bear such a relation to one another that A S = the equation R C holds good ; whereas a current in one or other direction passes ...
... galvanometer , G , and the battery , B , that no current passes through the galvanometer when the conductors bear such a relation to one another that A S = the equation R C holds good ; whereas a current in one or other direction passes ...
الصفحة 160
... galvanometer - index is not deflected when the circuit is closed . The position of the point U is noted by a scale . R and S are then reversed , so as to occupy the position relatively to A , C shown in fig . 8. The point U is again ...
... galvanometer - index is not deflected when the circuit is closed . The position of the point U is noted by a scale . R and S are then reversed , so as to occupy the position relatively to A , C shown in fig . 8. The point U is again ...
الصفحة 161
... galvanometer when R and S are reversed . greater error than ( say ) about 0.1 per cent . exists in the equality between We may then be sure that no the new coil and the standard . Two fresh coils , A ,, C ,, are then taken , containing ...
... galvanometer when R and S are reversed . greater error than ( say ) about 0.1 per cent . exists in the equality between We may then be sure that no the new coil and the standard . Two fresh coils , A ,, C ,, are then taken , containing ...
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.