found many of the industries managed oii a scale only to lie dreamed of in the earlier years. \ve must find splendid inspiration for future work. It is perhaps fair to say that iion-liere elsix iii the world can he fouiid so extensive operations i n tlie production of animal fats and oils ; i i i the complete utilization of the waste aiiitiial products ; in the manufacture of crude fertilizers, glue, soap, and glycerol : in the manufacture of malt. spirits, and the products of breiviiig, glucose niicl rcfined sugar. These are some of the products of technical \vork coiiiiiioii to tlie city and while such a list must of iiecessit!. be iiiconiplete it is sufficient to amply illustrate the syiiipatliy with our work t o be found in our immediate surroundings. Xiid within easy reach as ive arc of the great exhibitions of the products of chemical inanufactures, those sigiis of the world's progress resulting from the efforts in which most of u s are engaged, we must easily find valued causes for earliest congratulatiori.
T H E TECHNICAL ESTIMATION OF LEAD. B Y ALIII
