BOB SNODGRASS

Bitters Bottle: Bottles produced for tonic with high alcohol contents, of some 450 types on record... Chelmsford Glass: Chelmsford (Lowell,1826) Mass., glass works that operated from 1802 to 1827. Production included many forms of bottles, but it thought that the Lowell railroad flask was produced by this company. It featured a design of a horse drawn freight car on one side, with "Railroad" marked above and "Lowell" marked below. An eagle was on the reverse side... Core-Forming: Or core technique. The use of a removable core around which the glass is formed. Traditionally, the core is made of an organic compound (i.e., animal dung), mixed with a binding agent (often clay). The core is fixed on one end of a metal rod and provides the interior shape of a glass vessel. Rod forming is the similar technique, that is used in bead making, but it is distinguished by a thinner core. Melted glass is wound around the core.