. Development of a method for the microscopic study of metals at elevated ranges of temperature . e^m.v. T= degrees centigrade,a+b are constants. From the above data 1034°C = 7.99 m.v.444.3°C = 2.3 m.v. ttl Log 2.o/l000 = a log 444.3 + b(2) Log 7.99/1000 = b log 1034+ bSolve for b and substitute the values in the equation Log e — aT + b This correction is? so very small that it was neglected and i strai-ght line drawn through the two points. 111 PKOCECTJP;? rOF TH£ CALIBPATIOII OF THE COUPLT; The metals were melted in a graphite crucible 12 cmdeep and about 175 cc capacity. The cou:le while im

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. Development of a method for the microscopic study of metals at elevated ranges of temperature . e^m.v. T= degrees centigrade,a+b are constants. From the above data 1034°C = 7.99 m.v.444.3°C = 2.3 m.v. ttl Log 2.o/l000 = a log 444.3 + b(2) Log 7.99/1000 = b log 1034+ bSolve for b and substitute the values in the equation Log e — aT + b This correction is? so very small that it was neglected and i strai-ght line drawn through the two points. 111 PKOCECTJP;? rOF TH£ CALIBPATIOII OF THE COUPLT; The metals were melted in a graphite crucible 12 cmdeep and about 175 cc capacity. The cou:le while im Stock Photo
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. Development of a method for the microscopic study of metals at elevated ranges of temperature . e^m.v. T= degrees centigrade,a+b are constants. From the above data 1034°C = 7.99 m.v.444.3°C = 2.3 m.v. ttl Log 2.o/l000 = a log 444.3 + b(2) Log 7.99/1000 = b log 1034+ bSolve for b and substitute the values in the equation Log e — aT + b This correction is? so very small that it was neglected and i strai-ght line drawn through the two points. 111 PKOCECTJP;? rOF TH£ CALIBPATIOII OF THE COUPLT; The metals were melted in a graphite crucible 12 cmdeep and about 175 cc capacity. The cou:le while im
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. Development of a method for the microscopic study of metals at elevated ranges of temperature . e^m.v. T= degrees centigrade,a+b are constants. From the above data 1034°C = 7.99 m.v.444.3°C = 2.3 m.v. ttl Log 2.o/l000 = a log 444.3 + b(2) Log 7.99/1000 = b log 1034+ bSolve for b and substitute the values in the equation Log e — aT + b This correction is? so very small that it was neglected and i strai-ght line drawn through the two points. 111 PKOCECTJP;? rOF TH£ CALIBPATIOII OF THE COUPLT; The metals were melted in a graphite crucible 12 cmdeep and about 175 cc capacity. The cou:le while immersed in themetal was protected by a quartz tube. Before start in*;, the potent-iometer was adjusted against a Weston Standard Cell and the scaledeflection of the galvanometer set to read zero. The crucible wasthen heated to well above the Belting point of the metal and al-lowed to cool. As the cooling oce^ed; the tine ms token on everyten degrees dropin temperature• She freezing point «*fl found byplotting a time t> H|Mll ? tuiFll curve. Figure 4.Potentiometer and Galvanometer. Figure 5,Furnace used in beating specimen.

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