references

5 articles, most recently updated first

Three Rivers Glass — Glass Colors 2026-07-26

What glass colors did the Three Rivers Glass Company make? The documented answer is two: flint (colorless/clear) and amber. The American Glass Review trade directory recorded its o…

three-rivers-glass glass-colors flint amber aqua decolorizing+2

Three Rivers Glass — Known Customers 2026-07-26

The documented customer roster of the Three Rivers Glass Co. (1922–1937), built from embossed customer names on 3 RIVERS-marked bottles: Smith's 75-item price list, the Hoffmann-Ha…

three-rivers-glass customers bottlers dairies reference collector-catalog

Three Rivers Glass — Maker's Marks 2026-07-26

Reference catalog of Three Rivers Glass Co. maker's marks, built on the Bottle Research Group's 2019 Encyclopedia of Manufacturer's Marks chapter (Lockhart, Schriever, Brown, Linds…

three-rivers-glass makers-marks bottle-collecting identification reference

Three Rivers Glass — Manufacturing Process 2026-07-26

How the Three Rivers Glass Company actually made its bottles and jars — reconstructed from the factory's own period tour brochure and made legible by the standard glass technology …

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Three Rivers Glass Factory — Primary Source Timeline 2026-07-26

A chronological index of dated events, newspaper clippings, and legal/property records for the Three Rivers Glass Company, drawn from period trade press, Charles R. Tips' letters, …

three-rivers-glass timeline primary-source newspaper-clippings reference