 | Alfred Ely Beach - 1874 - 630 σελίδες
...TRACING-PAPER THAT MAY BE WASHED. A GERMAN invention, and which may be useful to draftsmen and others, has for its object the rendering more or less transparent...thus become proficient in the formation of letters and outlines without the instruction usually necessary ; and it may also be used in any place where... | |
 | 1883 - 524 σελίδες
...be unsized, of good colour, and moderate thickness, say 15 to 20 Ib. demy, and cut into pieces of a convenient size for dipping. Particular care should...where tracings may be required, as by laying the paper over the object to be copied it can be plainly seen. Writing-paper is used by preference, its preparation... | |
 | Robert Haldane (of London.) - 1883 - 518 σελίδες
...care is necessary in drying, as with litmus-paper; but both papers should be prepared where acid anil alkaline fumes cannot come into contact with them,...where tracings may be required, as by laying the paper over the object to be copied it can be plainly seen. Writing-paper is used by preference, its preparation... | |
 | Albert Allis Hopkins - 1901 - 734 σελίδες
...used for writing or drawing, either with ink, pencil or crayon, and also to give the paper such it surface that such writing or drawing may be completely...used in schools the scholars can trace the copy, and thug become proficient in the formation of letters without the explanations usually necessary; and... | |
 | 1904 - 962 σελίδες
...any way injuring the paper, was patented some time ago. The object of making the paper transparent is that when used in schools the scholars can trace...copy, and thus become proficient in the formation of letter without the explanation usually necessary ; and it may also be used in any place where tracings... | |
 | 1909 - 592 σελίδες
...alkaline fumes cannot come into contact with them, as they injure the colour of both. Tracing-paper. — (1) A German invention has for its object the rendering...where tracings may be required, as by laying the paper over the object to be copied it can be plainly seen. Writing-paper is used by preference, its preparation... | |
 | Albert Allis Hopkins - 1921 - 1102 σελίδες
...with a little oxgall. Tracing Paper. — The following receipts are from the "Mechanics' Own Book" : 1. — A German invention has for its object the rendering...where tracings may be required, as by laying the paper over the object to be copied it can be plainly seen. Writing paper is used by preference, its preparation... | |
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Tracing - paper. — (1) A German invention has for its object the rendering more or less transparent of paper used for writing or drawing, either with ink, pencil, or crayon, and also to give the paper such a surface that such writing or drawing may... 