Crystalvac Jar
Crystalvac Jar
→ Full physical provenance, glass marks, mold numbers, dating criteria, and collecting notes are compiled in the brand guide: Crystalvac Jars.
This page exists as an anchor for kb_ref: links from the accession ledger. All item-type research lives in the brand guide.
Quick reference
- Form: Screw-cap clear or amber glass jar; round cross-section
- Sizes: ½ lb, 1 lb (launch 1932), 3 lb (added Dec 1932)
- Manufacturer succession: Three Rivers Glass Co. (1932–1936/37) → Ball Brothers Glass (1936/37) → Owens-Illinois Glass (1940s+)
- Dating: Three Rivers star mark + 601-N mold number = pre-1937; diamond-oval-I mark = 1940s+
- Amber jars: Scarcer than clear; documented mold 601-8
Collection accessions
31 jars in the H and H collection. See Accessions filtered by nomenclature_term: jar.