SCIENCE: INDUSTRIES
... . SCIENCE: INDISTRIES.. ! NOTES AND NW . The nmnnber of men employed in building loce-, motives in this country has increased 10 per Pant: during the year just olosed. A New York firm are malking a pump for acids: ond chemicals of hard rubber in ?? its parts, mounted, with iron, and worked by steam. Some of the manufaoturers in Sheflield are. arranging to use oil fuel for their steam boilers ...