 ... those which are the cleanest, softest, most brilliant, and . most transparent. It is known that humidity lengthens the hair, and that the process of drying shortens it. To render both these effects more perceptible, Saussure attached one of the two...  An Elementary Treatise on Natural Philosophy - Page 153by René Just Haüy - 1807Full view - About this book
 | William Nicholson - 1809 - 700 pages
...remains to make choice of those which are the cleanest, softest, moat brilliant, and most transparent. It is known that humidity lengthens the hair, and...fixed point, and the other to the circumference of a inoveable cylinder, that carries at one of its extremities a light index or hand. The hair is bound... | |
 | William Nicholson - 1809 - 752 pages
...remains to make choice •f those which are the cleanest, softest, most hril'ianr, and most transparent. It is known that humidity lengthens the hair, and...of the two ends of the hair to a fixed point, and th« other to tin- circumference of a moveable cylinder, that carries at one of its extremities a light... | |
 | C T. Watkins - 1810 - 1056 pages
...hair, and that the |>;ucess ot dry. ing shortens it. To render both these effects more perceptible, he attached one of the two ends of the hair to a fixed point, and the oilier to the circum'erence of a movable cylinder, that carries at one of its extremities a light index... | |
 | James Smith - 1815 - 942 pages
...remains to make choice of those which are the cleanest, softest, most brilliant, and most transparent. It is known that humidity lengthens the hair, and...process of drying shortens it. To render both these effrcts more perceptible, Saussure attached one of the ends of tlie hair to a fixed point, and the... | |
 | William Nicholson - 1819 - 394 pages
...remains to make choice ot those which are the cleanest, softest, most brilliant, and most transparent. It is known that humidity lengthens the hair, and...Saussure attached one of the two ends of the hair to :i fixed point, and the other to the circumference of a moveable cylinder, that carries at one of its... | |
 | James Mitchell - 1823 - 666 pages
...To render both these effect more perceptible, Saiissure aitiich «d one of the two ends of the liai to a fixed point, and the other to the circumference of a moveahle cylinder, which carries at one o its extremities a tight index littnd. The hair is bound by... | |
 | Friedrich Christian Accum - 1824 - 386 pages
...remains to make choice of those which are the cleanest, softest, most brilliant, and . most transparent. It is known that humidity lengthens the hair, and...fixed point, and the other . to the circumference of a moveable cylinder, that carries , at one of its extremities a light index or hand. The hair • is... | |
 | Luke Hebert - 1835 - 816 pages
...it in water containing one per cent. of sulphate of soda. One of the ends ol' the hair was attached to a fixed point, and the other to the circumference of a movable cylinder, that carries a light index ; the hair being kept straight by a counterweight of three... | |
 | Luke Hebert - 1836 - 814 pages
...it in water containing one per cent. of sulphate of soda. One of the ends of the hair was attached to a fixed point, and the other to the circumference of a movable cylinder, that carries a light index ; the hair being kept straight by a counterweight of three... | |
 | James Smith (author of the Panorama of science and art.) - 1859 - 924 pages
...remains to make choice of those which are the cleanest, softest, most brilliant, and most transparent. It is known that humidity lengthens the hair, and...effects more perceptible, Saussure attached one of the ends of the hair to a fixed point, and the other to the circumference of a moveable cylinder, that... | |
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