 so that, as the pulley turns through the shortening or lengthening of the hair, the index moves. The instrument is graduated to correspond with others by first placing it under a bell  A Textbook on chemistry - Seite 55von John William Draper - 1861 - 412 SeitenVollansicht - Über dieses Buch
 | John William Draper - 1847 - 412 Seiten
...«• From the pulley there goes an index which " plays over the graduated scale ee 1 , so that, 88 the pulley turns through the shortening or lengthening of the hair, the index moves. The 'Dstrument is graduated to correspond with ot hers by first placing it under a bell jar along ^ith... | |
 | John William Draper - 1850 - 418 Seiten
...thread and weight, d. From the pulley there goes an index which plays over the graduated scale e e', so that, as the pulley turns through the shortening...correspond with others by first placing it under a bell jar along with a dish of sulphuric acid, caustic potash, chloride of calcium, or other substance having... | |
 | John William Draper - 1853 - 434 Seiten
...thread and weight, d. From the pulley there goes an index which plays over the graduated scale e e', so that, as the pulley turns through the shortening...graduated to correspond with others by first placing ir under a bell jar along with a dish of sulphuric acid, caustic potash, chloride of calcium, or other... | |
 | David Ames Wells - 1857 - 492 Seiten
...to the pulley. To the axis of the pulley an index is attached, which passes over a graduated scale, so that as the pulley turns, through the shortening or lengthening of the hair, the index moves. When the instrument is in a damp atmosphere, the hair absorbs a considerable amount of vapor, and is... | |
 | David Ames Wells - 1858 - 466 Seiten
...to the pulley. To the axis of the pulley an index is attached, which passes over a graduated scale, so that as the pulley turns, through the shortening or lengthening of the hair, the index moves. When the instrument is in a damp atmosphere, the hair absorbs a considerable amount of vapor, and is... | |
 | David Ames Wells - 1859 - 528 Seiten
...to the pulley. To the axis of the pulley an index is attached, which passes over a graduated scale, so that as the pulley turns, through the shortening or lengthening of the hair, the index moves. When the instrument is in a damp atmosphere, the hair absorbs a considerable amount of vapor, and is... | |
 | David Ames Wells - 1859 - 468 Seiten
...to the pulley. To the axis of the pulley an index is attached, which passes over a graduated scale, so that as the pulley turns, through the shortening or lengthening of the hair, the index moves. When the instrument is in a damp atmosphere, the hair absorbs a considerable amount of vapor, and is... | |
 | David Ames Wells - 1859 - 524 Seiten
...to the pulley. To the axis of the pulley an index is attached, which passes over a graduated scale, so that as the pulley turns, through the shortening or lengthening of the hair, the index moves. When the instrument is in a damp atmosphere, the hair absorbs a considerable amount of vapor, and is... | |
 | David Ames Wells - 1860 - 528 Seiten
...to the pulley. To the axis of the pulley an index is attached, which passes over a graduated scale, so that as the pulley turns, through the shortening or lengthening of the hair, the index moves. When the instrument is in a damp atmosphere, the hair absorbs a considerable amount of vapor, and is... | |
 | David Ames Wells - 1862 - 532 Seiten
...to the pulley. To the axis of the pulley an index is attached, which passes over a graduated scale, so that as the pulley turns, through the shortening or lengthening of the hair, the index moves. When the instrument is in a damp atmosphere, the hair absorbs a considerable amount of vapor, and ia... | |
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