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Possible Akro Oxblood Formula


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From Henry Hellmer's batch book. Has both iron and copper, and then more copper in the brass. And lotsa zinc.

From one of the "Carnelian Opal Glasses" pages:

Copper Carnelians for Marbles

Akro Agate Co. 12-1-25

H.T.H. OK.

Sand: 1120

Soda: 410

Borax: 10

Red Iron Ox.: 45

Red Ox Cop.: 45

Limestone: 130

Brass Dust: 45

Zinc Ox.: 90


Formula page: http://i119.photobuc...odFormula_a.jpg (1600 x 1200)

Edited by Steph
Adding extra notation from the page
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