3D Life History of Angiosperms Model, 24 x 18 x 2" Glassware_Glass Sets & Apparatus this silicon diode mounts on

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

Three-speed manual transmission with reverse in a clear-plated case

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

Sequential germination stages of a maize kernel expose coleoptile emergence

Selenium photovoltaic cell on a 4 by 3 by 1

3D Life History of Angiosperms Model, 24 x 18 x 2" Glassware_Glass Sets & Apparatus this silicon diode mounts onMagnified angiosperm life cycle model traces pollination, fertilization, seed development, and germination through a complete hand painted sequence on a mounted base.