The cleaning and electro-plating of metals; . Fig. 13—Steel Ball Burnishing Barrel (single). The cut shows barrel in working position. Made by Baird Machine Company, Bridgeport, Conn. The Cleaning and Electro-Plating of Metals 49 BURNISHING WITH STEEL BALLS. This method of burnishing small metal arti-cles in tumbling barrels is a method of mixingarticles such as buckles, chains, collar buttons,etc., with steel balls in the proper proportion •WATER FRICTION CLUTCH PULLEYS. HARDWOOD LININGBRA5S COVER 303-2 Fig. 14—Double Burnishing Barrel for Use with Steel by The Baird Machine Compan
The cleaning and electro-plating of metals; . Fig. 13—Steel Ball Burnishing Barrel (single). The cut shows barrel in working position. Made by Baird Machine Company, Bridgeport, Conn. The Cleaning and Electro-Plating of Metals 49 BURNISHING WITH STEEL BALLS. This method of burnishing small metal arti-cles in tumbling barrels is a method of mixingarticles such as buckles, chains, collar buttons,etc., with steel balls in the proper proportion •WATER FRICTION CLUTCH PULLEYS. HARDWOOD LININGBRA5S COVER 303-2 Fig. 14—Double Burnishing Barrel for Use with Steel by The Baird Machine Company, Bridgeport, cut shows one Barrel horizontal and the other in position fordumping and rolling together in a thin solution of OakiteComposition No. 1. The balls required must behard and smooth. Small articles can be burn-ished and handled in large quantities in thisway at a very small expense. 50 The Cleaning and Electro-Plating of Metals I have burnished rose and green goldbuckles in this way when I only wanted themto be burnished on the high lights and bytumbling them thirty minutes I got out verynear the same class of work as I would hadthey been hand burnished, and the cost whenthe work is handled in this way is very small. Care should be taken not to allow the steelballs to become rusty. O. P. C. is excellent forcleaning dirty steel balls, and also tumblingbarrels. Metal Finish. On dip brass, copper, german silver, etc., oron any meta
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921
