 I counted the perspiratory pores on the palm of the hand, and found 3,528 in a square inch. Now, each of these pores being the aperture of a little tube of about a quarter of an inch long, it follows that in a square inch of skin on the palm of the hand,...  The Book of the Feet: A History of Boots and Shoes - Page 131by Joseph Sparkes Hall - 1847 - 216 pagesFull view - About this book
 | Andrew J. Davis - 1996 - 496 pages
...organism, we counted the perspiratory pores on the palm of the hand, and found 3.528 in a square inch. Now, each of these pores being the aperture of a little tube about a quarter of an inch long, it follows that in a square inch of Rkin on the paim of the hand there... | |
 | Medicine - 1857 - 602 pages
...writes : I counted the perspiratory porea on the palm of the hand, and found 3528 in a square inch. Now, each of these pores being the aperture of a little...quarter of an inch long, it follows, that in a square iiich of skin on the palm of the hand there exists a length of tube equal to 882 inches, or 73£ feet.... | |
 | 1878 - 456 pages
...long. Of these pores there are, in the palm of the hand, about 3,528 in a square inch ; consequently, in a square inch of skin there exists a length of...tube equal to 882 inches, or 73£ feet. Surely such au amount of drainage as 73 feet in every square inch of skin, is something wonderful, and the thought... | |
 | ROGERSON AND TUXFORD - 1863 - 606 pages
...calculation: " I counted tt. perspiratory pores on the palm of the hand, and found 3,523 in a square inch. Now, each of these pores being the aperture of a little tube about a quarter of an inch long, it follows thst in a square inch of skin on the palm of the hand,... | |
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