 | Monthly literary register - 1820 - 694 σελίδες
...possess neither popularity nor any power of aitracting iron filings. It was fixed horizontally upon support by means of wax, and in such a direction as...meridian at right angles. The focus of violet rays wns carried slowly along the needle, proceeding from the centre towards one of the extremities, care... | |
 | 1818 - 762 σελίδες
...possess no polarity, and not to exhibit any attraction for iron filings. It was fixed horizontally on the support by means of wax, and in such a direction as to cut the magnetic meridian nearly at right angles. By a lens of a sufficient size, the whole of the violet ray was collected into... | |
 | 1818 - 514 σελίδες
...no polarity, and not to exhibit any attraction for iron filings. It was fixed horizontally «n the support by means of wax, and in such a direction as to cut the magnetic meridian nearly at right angles. By a lens of a sufficient size, the whole of the violet ray was collected into... | |
 | 1818 - 806 σελίδες
...possess no polarity, and not to exhibit any attraction for iron filings. It was fixed horizontally on the support by means of wax, and in such a direction as to cut the magnetic meridian nearly at right angles. By a lens of a sufficient size, the whole of the violet ray was collected into... | |
 | 1819 - 480 σελίδες
...prism, and was collected into a focus by a lens of a sufficient sine. The needle was made of soft iron, and was found, upon trial, to possess neither polarity nor any power of attracting iron tilings. It was fixed horizontally upon a support by means of wax, and in such a direction as to cut... | |
 | Henry Minchin Noad - 1844 - 512 σελίδες
...the usual manner, by means of a common prism, and was collected into a focus by a lens of sufficient size. The needle was made of soft wire, and was found...by means of wax, and in such a direction, as to cut tho magnetic meridian at right angles. The focus of violet rays was carried slowly along the needle,... | |
 | 1846 - 602 σελίδες
...the usual manner by means of a common prism, and was collected into a focus by a lens of sufficient size. The needle was made of soft wire, and was found,...attracting iron filings. It was fixed horizontally in a support by means of wax, and in such a direction as to cut the magnetic meridian at richt angles.... | |
 | 1846 - 610 σελίδες
...neither jolarity, nor any power of attracting iron ilings. It was fixed horizontally in a support зу means of wax, and in such a direction as to cut the magnetic meridian at riaht angles. The focus of violet rays carried slowly along the needle, proceeding from the centre,... | |
 | Edwin James Houston - 1905 - 648 σελίδες
...of a common prism, and was collected into a focus by a lens of sufficient size. The needle exper"" was made of soft wire, and was found, upon trial,...slowly along the needle, proceeding from the centre toward one of the extremities, care being taken never to go back in the same direction, and never to... | |
 | 1818 - 640 σελίδες
...possess no polarity, and not to exhibit any attraction for iron filings. It was fixed horizontally on the support by means of •wax, and in such a direction as to cut the magnetic meridian nearly at right angles. By a lens of a sufficient size, the whole of the vio. let ray was collected... | |
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The violet light was obtained in the usual manner, by means of a common prism, and was collected into a focus by a lens of a suffiOpt. 
