In the electronic and microfabrication industry, die separation is one of the most critical steps in producing an undamaged, stand-alone micro-scale device. For silicon based devices, it is the predominant step governing resistance to die failure...
In a printing ink plant, phthalocyanine (Pc) aqueous slurries are produced by grinding the Pc pigment in water using a media mill. Mostly, dispersions of Pc in water are used in heat-set printing inks to make the color phthalo blue. Typically, Pc...
Two men stand outside Joe Hignite's mill on Bullskin. One man is holding a homemade compass made of hickory that was used to mark out mill stones for grinding corn and wheat. Title supplied by cataloger.
A boy ginseng hunter poses with a ginseng root in his right hand and his "sang" hoe and "sang" bag in his left. A bull-tongue plow and grinding wheel lean against a fence in the background. Handwritten on bottom border: 418. ...
A sign for Berman Printing Company, Printers and Engravers, is attached to the corner of a building at Third and Main Streets in Louisville, Kentucky. Further along is the Louisville Chemical Company at 108-114 S. Third Street, followed by signs...
