Human Torso Model with Head, 12-Part Geology Hand-cranked cam turning against both

Hand-cranked cam turning against both a straight follower and a lever follower

providing hands-free terminals for series and parallel circuit demonstrations on the bench without leads dangling off the cell

Used to introduce LED polarity and forward-bias behavior

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

Human Torso Model with Head, 12-Part Geology Hand-cranked cam turning against bothTwelve part human torso model with intact head and removable organs supports combined cranial and visceral anatomy teaching at pre college and secondary levels.