2 VTG David Douglas Elec. Lighted Party Glasses& 2 Accalac Lowball Rocks Glasses

M2 - Set of 2 David Douglas Designer Collection Accalac Lowball Rocks Glasses with removable coasters & another set of 2 - 1973 Glow Goblets by David Douglas rare lighted beverage glass patented by David Douglas in 1975 with a filing date in 1973. Called Glow goblets, these glasses feature a light bulb illuminated base, powered by a single AA battery. The glasses each measure 8” in height. A lighted beverage glass having a stem with a central bore extending therethrough. A cup-shaped glass mounting portion is provided at the top of the stem and has a glass shell member removably mounted therein. A plurality of horizontally extending gripping ribs are provided on the mounting portion to securely retain the glass therein. An annular shoulder is formed at the top portion of the central bore. A light assembly is mounted in the central bore of the stem for directing light through the bottom of the glass. The light assembly includes an electric bulb, battery cradle, a spring member mounted between the bulb. The annular shoulder serves as a seat for the electric bulb. Has not been tested due to battery cradle is missing on both.