lobeycat
Posts: 3616
Joined: 9/8/2003 From: RED SOX Nation Status: offline
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M in a circle.........Maryland Glass Corporation, Baltimore, MD (1907-c.1970s). Mark first used in 1921, according to trademark info reported in Peterson's 400 Trademarks on Glass (1968). This company specialized in cobalt blue glass bottles and jars. Many of the containers made for Phillips Milk of Magnesia, Bromo-Seltzer, Vicks, Noxema, etc, were produced here. Maryland also produced the most commonly seen type of "violin bottle" in various shades of blue (and probably other colors). Maryland Glass was acquired by the Dorsey Corporation in 1968, and I believe that the "M" mark was discontinued sometime in the early 1970s.
< Message edited by lobeycat -- 7/16/2008 5:46:12 PM >
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http://www.youtube.com/watch?v=BibwRKxLEdg I been dreamin, floatin down the stream, losing touch with all that's real
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