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Scientific American, Vol. 96, No. 4 (January 1907) (1907)

leaf 9

An illustration from Scientific American, Vol. 96, No. 4 (January 1907), 1907, leaf 9
of active steps toward In an electro-deposit of zinc the adhesion is per- Legally, it is considered the duty of the employer to lessening the causes of accidents endangering the life haps even better than where the metal is applied hot furnish the employee with proper implements and a and safety of… … Prof. Burgess has stated that the degree of protec- Metal Guard for Gear Wheels. all of our producing interests. tion offered by zinc is proportional to the thickness The accompanying engravings are indicative of the of the thinnest part of the coating, and therefore of a permanent museum of…

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