Popular science monthly . in slices of cork of an eventhickness are obtained from a block of slices are placed in chemical baths inorder to remove the resinous parts whichmake cork a. more or ess brittle sub-stance. Upon their removal the corksheets become flexible and may becompared in this respect with thinleather. In fact, the sheets can befolded and bent without combining the cork sheetswith any suitable cloth, prefer-ably a thin and strong cloth ofgood color, an excellent water-proof material is obtained. Anadhesive preparation isemployed to glue the cork to thecloth;
Popular science monthly . in slices of cork of an eventhickness are obtained from a block of slices are placed in chemical baths inorder to remove the resinous parts whichmake cork a. more or ess brittle sub-stance. Upon their removal the corksheets become flexible and may becompared in this respect with thinleather. In fact, the sheets can befolded and bent without combining the cork sheetswith any suitable cloth, prefer-ably a thin and strong cloth ofgood color, an excellent water-proof material is obtained. Anadhesive preparation isemployed to glue the cork to thecloth; or, if a stronger garmentis desired, the cork sheets areplaced between two layers ofcloth. The cork fabric hasa decided advantage over ordi-nary rainproof ma-terials because it isporous, permittingventilation wherethe ordinary rain-coat prevents it. Ofcourse the cork isvery light. A coatmade of it is said tobe the lightest onthe market. strong enough to sus-eight hundred pounds Scenes in Alaska the Country tliat Supplies. Yakutat Indians in native costume for Pot- Below; Uulls ^ u. kasl on sahuoii an,l latch Festival. Their entire seasons earnings their eggs. The fish swim to the headwaters, of $4,800 at the canneries were spent in two lay their eggs, and retire when the water days of riotous celebrating at these festivities subsides. This leaves the eggs for the gulls
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1872
