Show BUREAU OF MINES EXHIBIT the united states bureau of mines is planning a comprehensive exhibit at the panama pacific exposition in arranging the exhibit the bureau has had in mind not only the value of interesting those engaged engage dIn in the various mining and metallurgical industries but also the education of the general public to a better knowledge of the magnitude of these industries dus tries and to the efforts which are honestly being made by the miners and mine operators with the assistance of the bureau of mines looking toward a more safe conduct C 0 ndue f of mining and a more efficient utilization of the products of the mines after they are won from the earth the bureaus exhibit is located in the palace of mines and metallurgy an automatic duplex projecting machine will continuously show lantern slides illustrative of the activities of the bureau and simultaneously give descriptions of the lantern slides nearby will be shown the layout of a I 1 model hospital including a receiving room ward room and operating room fully equip ped for demonstrations by the U united n cited states I 1 marine hospital service also a model of a change and wash house another welfare i feature which is being installed at modern 1 aj I mining and metallurgical operations A plan of an ideal mining town will be shown first aid demonstrations will be given frequently an air of reality will be lent to the demonstration by the removal of apparently patently ly injured men from the exhibition mine beneath the building by helmet and rescue crews A complete display of rescue apparatus and safety lamps will be given in a glass smoke room tests of safety lamps will be made showing their tendency under unfavorable conditions to lignite explosive gas and also showing methods of testing for explosive gas by means of their caps an exhibit of the physical and chemical characteristics and constituents of explosives plo is being arranged visitors going through the exhibition ml mine ne will regain the surface through the radium booth in which actual radium emanations will be shown surrounding this radium booth there will be complete exhibits of the various radium ore oreland sand of radium products the metallurgy of various products will be shown by a comprehensive exhibit the opportunity for increased efficiency in the use of fuels will be demonstrated by a davice showing the proportionate amounts of fuels which go to make up the various losses incident to consumption in comparison with that which ultimately goes to useful purposes typical analyses of coal from the various fields will be shown by models and samples as will also the yield of coke and products byproducts by obtained by various coking processes it is expected to show smoke preventing and smoke prodoc ing methods of stoking by means of an ingenious motion picture device an officer of the bureau will give his bis whole attention to visitors copies of the bureaus publications will be available for free distribution to visitors who may be particularly interested this exhibit in connection with the exhibition hibi tion mine immediately beneath the b bureaus space should be interesting and instructive tive to those engaged in the mining ilig in industry and to the general public |