 | Smithsonian Institution. Board of Regents - 1858 - 452 pages
...The mechanical arrangement for affecting this object was simply a steel bar, permanently magnetized, of about ten inches in length, supported on a pivot...current, the end of the bar thus placed was attracted by one arm of the horse-shoe, and repelled by the other, and was thus caused to move in a horizontal plane... | |
 | United States. Congress. House - 1858 - 830 pages
...The mechanical arrangement for affecting this object was simply a steel bar, permanently magnetized, of about ten inches in length, supported on a pivot...current, the end of the bar thus placed was attracted by one arm of the horse-shoe, and repelled by the other, and was thus caused to move in a horizontal plane... | |
 | 1862 - 736 pages
...The mechanical arrangement for effecting this object was simply a steel bar, permanently magnetized, of about ten inches in length, supported on a pivot,...current, the end of the bar thus placed was attracted by one arm of the horse-shoe, and repelled by the other, and was thus caused to move in a horizontal plane... | |
 | Smithsonian Institution - 1862 - 738 pages
...The mechanical arrangement for effecting this object was simply a steel bar, permanently magnetized, of about ten inches in length, supported on a pivot,...current, the end of the bar thus placed was attracted by one arm of the horse-shoe, and repelled by the other, and was thus caused to move in a horizontal plane... | |
 | James Curtis Booth, Campbell Morfit - 1862 - 740 pages
...arrangement for effecting this object was simply a steel bar, permanently magnetized, of about len inches in length, supported on a pivot, and placed...current, the end of the bar thus placed was attracted by one arm of the horse-shoe, and repelled by the other, and was thus caused to move in a horizontal plane... | |
 | United States. Congress - 1880 - 554 pages
...The mechanical arrangement for effecting this object was simply a steel bar, permanently magnetized, of about ten inches in length, supported on a pivot,...current, the end of the bar thus placed was attracted by one arm of the horse-shoe and repelled by the other, and was thus caused to move in a horizontal plane... | |
 | 1880 - 552 pages
...effecting this object was simply a steel bar, permanently ri>agnetized, of about ten inches in lengt^, supported on a pivot, and placed with its north end...current, the end of the bar thus placed was attracted by one arm of the horse-shoe and repelled by the other, and was thus caused to move in a horizontal plane... | |
 | Smithsonian Institution - 1880 - 548 pages
...The mechanical arrangement for effecting this object was simply a steel bar, j)ermanently magnetized, of about ten inches in length, supported on a pivot,...placed with its north end between the two arms of a liorsc-shoe magnet. When the latter was excited by the current, the cud of the bar thus placed was... | |
 | Smithsonian Institution - 1880 - 560 pages
...in length, supported on a pivot, and placed with its north end between the two arms of a liorse-shoe magnet. When the latter was excited by the current, the end of the bar thus placed was attracted by one arm of the horse-shoe and repelled by the other, and was thus caused to move in a horizontal plane... | |
 | 1881 - 898 pages
...The mechanical arrangement for effecting this object was simply a steel bar, permanently magnetized, of about ten inches in length, supported on a pivot,...current, the end of the bar thus placed was attracted by one arm of the horse-shoe and repelled by the other, and was thus caused to move in a horizontal plane... | |
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The mechanical arrangement for effecting this object was simply a steel bar, permanently magnetized, of about ten inches in length, supported on a pivot, and placed with its north end between the two arms of a horse-shoe magnet. When the latter was excited... 
