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vessel glass
| Question | Answer |
|---|---|
| free-blown glass | colonial period |
| onion, mallet, and chestnut bottles | colonial period |
| blown-in-mold | early to mid-19th century |
| machine-made | late 19th to early 20th century |
| What are characteristics of free-blown glass? | asymmetrical lips/finishes, lack of mold seams, dark olive green or aquamarine color, pontil scar |
| What is the natural color of glass and what makes it that color? | aquamarine and iron impurities in sand |
| applied and untooled lips/finishes | early to mid-19th century |
| What types of untooled finishes were common in the early to mid-19th century? | cracked off, laid-on ring, fire polished, rolled/folded, flared/flanged |
| What are characteristics of blown-in-mold glass? | thick mold seams, asymmetrical lips/finishes, open pontil scar (until mid to late-19th century) |
| What types of molds were common for blown-in-mold glass? | dipped molds (no seams and has narrow bottom/wide mouth, 2 piece molds |
| What two types of glass have applied finishes? | free-blown and blown-in-mold |
| When did the snapcase start to be used? | mid to late-19th century |
| What two finishes show up in the mid to late-19th century? | blob top and ground rim/lip (jars) |
| What are characteristics of late 19th to early 20th century blown-in-mold bottles? | symmetrical lips/finishes, no pontil scar, air venting marks |
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