Assertion: bottle | /r/HasProperty | referred
Facets:
value: commonly
type: DEGREE
value: often
type: TEMPORAL
value: as an open pontil
type: OTHER
Source sentences:
text: Bottles having this done to them are referred to as "professionally cleaned" or "tumbled" by collectors.
text: Bottles made after the Civil War but before the first World War are referred to as "smooth based".
text: Most bottles which are commonly referred to as three-piece molds were actually made in a mold that had a fourth base plate piece, like noted above for the Rickett's bottles.
text: Bottles with this discontinuous or fading vertical side mold seams are referred to as "mouth-blown" or "hand-made" and typically date prior to 1915, though could date back to at least 1800.
text: (It should be noted that bottles having no evidence of a pontil scar of any type are typically referred to as having a "smooth base;" click smooth base to see that discussion on the Bottle Glossary page.)
text: Like the glass tipped pontil mark, the blowpipe pontil is found on a wide array of bottles that typically date no later than the Civil War and is even more commonly referred to as an open pontil.
text: Most bottles which are commonly referred to as three-piece molds were actually made in a mold that had a fourth base plate piece, like noted above for the Rickett's bottles.
text: - Bottles with a straight mold seam bisecting the entire base, like shown in the picture to the right (top), are often referred to as having been produced in a "hinge mold" or having a "snap-case" base.