Show are inde balloons are of gold bc aters skin which though small toy buea had been fiade of it could not be produced in sufficient quantities for the large balloons until colonel templer invented and perfected the which is briefly as follows the gold beater s skin is made up of quantities of a certain thin animal membrane of these are required for a balloon of cubic feet capacity pa city which is first freed from all fatty substances and then soaked ill a solution of glycerin and water they aie then applied to boards cut in tho form and to the size of the gore of the balloon required others are then superposed until i thickness of four layers has been readied great care being taken that no air bubbles remain between the skins after this fourth layer a method of strengthening is resorted to in alie shape of a net manufactured of skin after net two or three more layers of membranes are applied the whole ia allowed to dry and a solution of boiled linseed oil is used as a varnish the fabric is then quite in d the membranes cannot by any possible means bo separated from oue another but sometimes to render this homogeneity the more perfect a solution of of potash is sponged over the fabric pall mall |