3D Life History of Angiosperms Model, 24 x 18 x 2" Glassware_Glass Sets & Apparatus Glazed porcelain beehive shelf measures

Glazed porcelain beehive shelf measures 4 inches with glazed interior and exterior for gas collection over water in pneumatic trough procedures

Used to spin the Newton disc into a perceived white via persistence of vision

disc commutator

this silicon diode mounts on a transparent base with 4mm color-coded sockets and a printed circuit diagram for hands-on forward-bias demonstrations

3D Life History of Angiosperms Model, 24 x 18 x 2" Glassware_Glass Sets & Apparatus Glazed porcelain beehive shelf measuresMagnified angiosperm life cycle model traces pollination, fertilization, seed development, and germination through a complete hand painted sequence on a mounted base.