. Castorologia, or The history and traditions of the Canadian beaver. Beavers. 128 CASTOROLOGIA. material was placed, and treated as follows:—A revolving fan, work- ing at great speed, drove a current of air through the receiving box and thence along an enclosed casing about a hundred feet in length. The force of the air carried the mixed material from the receiving box along the casing, but as the force of the draft diminished, the power of gravitation took the work upon itself of separating every fibre according to its weight, thus the heavy coarse hair and any foreign substance mixed with i
. Castorologia, or The history and traditions of the Canadian beaver. Beavers. 128 CASTOROLOGIA. material was placed, and treated as follows:—A revolving fan, work- ing at great speed, drove a current of air through the receiving box and thence along an enclosed casing about a hundred feet in length. The force of the air carried the mixed material from the receiving box along the casing, but as the force of the draft diminished, the power of gravitation took the work upon itself of separating every fibre according to its weight, thus the heavy coarse hair and any foreign substance mixed with it, fell soonest, and was gathered into. THE HOOD, OR BEAVER HAT IN ITS FIRST FORM. bins, while each succeeding grade of finer material was sorted and deposited each with its kind, and practically divided, so as to show every variety of quality contained in the original fleece. The finest and most valuable fur was, owing to its lightness, blown to the ex- treme edge of the casing, and freed from every impurity. This simple contrivance achieved what apparently is beyond the appreciation of our most delicate mechanism, and this process practically determined the consequent quality of the finished article, as the next stages will show. Taking the grade of wool required for the inside layer of the hat, to the " hat forming " machine, and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Martin, Horace T. Montreal, W. Drysdale
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbeavers, bookyear1892
