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CANVAS
, a stout See also:cloth which probably derives its name from cannabis, the Latin word for See also:hemp
.
This would appear to indicate that canvas was originally made from yarns of the hemp fibre, and there is some ground for the See also:assumption
.
This fibre and that of See also:flax have certainly been used for ages for the See also:production of cloth for furnishing sails, and for certain classes of cloth used for this purpose the terms " See also:sailcloth " and " canvas " are synonymous
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See also:Warden, in his See also:Linen See also:Trade, states that the manufacture of sailcloth was established in See also:England in 1590, as appears by the See also:preamble of See also: Large quantities of the various makes of flax and cotton canvases are tarred, and then used for covering goods on See also:railways, wharves, docks, etc . See also:Sail canvas is, naturally, of a strong build, and is quite different-See also:CANYON 223 from the canvas cloth used for See also:embroidery purposes, often called " art canvas." The latter is similar in structure to See also:cheese cloths and strainers, the See also:chief difference being that the yarns for art canvas are, in See also:general, of a See also:superior nature . All kinds of See also:vegetable See also:fibres are used in their production, chief among which are cotton, flax and jute . The yarns are almost invariably two or more ply, an arrangement which tends to obtain a See also:uniform thickness—a very desirable See also:element in these open-built fabrics . The See also:plain weave A in the figure is extensively used for these fabrics, but in many cases See also:special weaves are used which leave the open spaces well defined . Thus weave B is often employed, while the " See also:imitation See also:gauze " weaves, C and D, are also largely utilized in the production of these embroidery cloths . Weave B is known as the hopsack, and probably owes its name to being originally used for the making of bags for hops . The cloth for this purpose is now called " See also:hop pocketing," and is of a structure between bagging and tarpaulin . Another class of canvas, single warp termed" artists' canvas," is used, as its name implies, for paintings in See also:oils . It is also much lighter than sail canvas, but must, of See also:necessity, be made of level yarns . The best qualities are made of cream or bleached flax See also:line, although it is not unusual to find an admixture of tow, and even of cotton in the commoner kinds . When the cloth comes from the loom, it undergoes a special treatment to prepare the See also:surface for the paint .
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