Ogden Standard-Examiner | 1927-11-25 | Page 16 | The Book of Knowledge

THE BOOK OF 0 KNOWLEDGE A Terrific Force Sketches by Bessey Synopsis by Bracher I L The power requirement of an electric furnace which r I I Calcium carbide is is used also in in the preparation of Another A I flO of f changes cold pig-iron pig or iron iron scrap into steel amounts the t I electric other er great use ue o This gas on account I I from which the farmer obtains large quantities to t about cc ri furnace ce is the thc t e 1000 kilowatt hours for each ton Huge quantities fUT of o its intense heat and J ties of fertilizer Thousands of tons of calcium carbide ties of current such as this call for water power Huge making bide of 0 calcium ca Ium car carbide ard mixed with oxygen is is are made every year for this purpose at Niagara Falls Fall which h e w IC when mixed W furnaces now may turn out as many as tons of with n used on a big scale for I I and at Odde Norway where the waterfalls are arc har har- high grade steel in a day WI water gives off 0 acetylene welding I I To Jo Be Bc Continued B 8 By Kt tA Th euth S So t l P rm n m el 1 i l ti'S t rb K rl im Tho Boot sa 8 c HUM Ke C Ce rM 1 J illS US acetylene gas p IUS hu and v S Sno C COll f I. I 19 97 7 Tin T Cr CI C l i