 | 1885 - 520 páginas
...logarithms of numbent can be quickly and easily obtained by its use. The rule consults of a cylinder (<t"\ that can be moved up and down upon, and turned round, an axis (/), which is held by a handle (e). Upon this cylinder is wound in a spiraf a single logarithmic scale.... | |
 | 1879 - 690 páginas
...means of indices. As will be seen from the adjoining engraving, the rule consists of a cylinder, d, that can be moved up and down upon, and turned round, an axis / which is held by the handle t. Upon this cylinder is wound in a spiral a single logarithmic sale.... | |
 | T K. Stubbins - 1881 - 100 páginas
...required in the office of the Actuary, Engineer and Architect. The rule consists of a cylinder (d) that can be moved up and down upon, and turned round, an axis (/), which is held by a handle (e). Upon this cylinder is wound in a spiral a single logarithmic scale.... | |
 | David H. Pollock - 1884 - 328 páginas
...in diameter. From the illustration given it may be seen that the rule consists of a cylinder which can be moved up and down upon, and turned round, an axis, which is held by a handle. Upon this cylinder is wound spirally a single logarithmic scale. Fixed to... | |
 | David H. Pollock - 1884 - 330 páginas
...in diameter. From the illustration given it may be seen that the rule consists of a cylinder which can be moved up and down upon, and turned round, an axis, which is held by a handle. Upon this cylinder is wound spirally a single logarithmic scale. Fixed to... | |
 | Alexander Wynter Blyth - 1890 - 762 páginas
...(20) Professor Fuller's Spiral Mule. 1 The rule (Figs. 1 and 2) consists of a cylinder jacket (if) that can be moved up and down upon, and turned round, an axis (/), which is held by a handle (e). Upon this cylinder is wound in a spiral a single logarithmic scale.... | |
 | William Ford Stanley - 1900 - 388 páginas
...logarithms of numbers, can be quickly and easily obtained by its use. The rule consists of a cylinder that can be moved up and down upon, and turned round, an axis, which is held by a handle. Upon this cylinder is wound in a spiral a single logarithmic scale. Fixed... | |
 | Arnold Lupton - 1902 - 494 páginas
...published by E. and F. Spun, London. Fio. 159.— Slide rule. The rule consists t>fa cylinder, d , that can be moved up and down upon, and turned round, an axis,/, which is held by a handle, e. Upon this cylinder is wound in a spiral a single logarithmic scale. Fixed... | |
 | Eugene Dietzgen Co - 1911 - 570 páginas
...logarithms of numbers, can be quickly and easily obtained by its use. The rule consists of a cylinder that can be moved up and down upon, and turned round, an axis, the latter being held by a handle. Upon this cylinder is wound in a spiral a single logarithmic scale.... | |
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The rule consists of a cylinder that can be moved up and down upon, and turned round, an axis, which is held by a handle. Upon this cylinder is wound in a spiral a single logarithmic scale. Fixed to the handle is an index. Two other indices, whose distance... 