| Show frichot FRic net nen not t MATCHES bratches we have lately received a number of letters requesting information relating to the composition employed in makim making friction matches the tho follo following whig is an answer to such inquiries and all others to whom it may be useful the first luciler or friction matches used were prepared with sulphur cb chlorate 0 lf f potash and gum the ends of these when dipped into abot a bottle containing asbestos moistened with sulp sulphuric buric acid add took fire at once such matches have been superceded superseded super euper ceded by more simple matche matches s which ignite by friction without the tid of an acid these thesa matches are first dipped into molten sulphur cooled then coated with a composition of 16 parts by w weight julit of gum arabic arable 9 of phosphorus 14 of nitre ditre and 16 of fine peroxide de of manganese and a little of antimony these are worked up with water to form a thick thich paste into which the ilia matches are dipped dippe dand and then dried and cinnabar are employed to color the ends of the matches those matches which ignite with a small crackling noise are prepared with the chlorate of pot ash it is a dangerous substance to use in their preparation when it is employed care musi must be exercised that the gum paste in winch which it is mixed with the phosphorus does not exceed fah these matches are dried in a dry and warm but not hot room on october 1836 alonzo D phillipp of springfield mass obtained a patent for ma manufacturing matches with a preparation of chalk phosphorus and glue an ounce of glue is 13 in warm water to this is added four ounces of fine pulverized chalk and stirred until it forms into a thick paste one ounce of pbs chorus is then added and the whai what are well incorporated corp orated together into this the ends of the m itches which have bien been previously coated with sulphur and dried are dipped and then laid hid in rows on slips of paper cut wide enough to lap ov over er the tile ends of the matches scientific american |
