This is a robust one pan balance with an iron and marble base, and a tag on front that reads “The / Micrometer / Balance / Scale Co. / Troy, N.Y. / Patented Nov. 22 – 1892 / Mar. 22 – 1898 / Jul. 21 – ...
Electrical engineers at Duke University have demonstrated the ability to print fully functional and recyclable electronics at sub-micrometer scales. The technique could impact the more than $150 ...