Upper Triple Root Molar Model with Caries, 15X Enlarged, 2-Part Botany_Botany Models Parallelogram-of-forces apparatus on a 26

Parallelogram-of-forces apparatus on a 26 by 20 inch wall-mountable board with two clamp-on pulleys

Hand-cranked to convert mechanical work into electrostatic energy

securing a thermometer to any support rod at the angle needed for hands-free temperature monitoring during an experiment

and hinge-distance scales adjustable from 0 to 45 degrees

visualizing the relationship between local motion and seismic recording for geology lessons

Upper Triple Root Molar Model with Caries, 15X Enlarged, 2-Part Botany_Botany Models Parallelogram-of-forces apparatus on a 26Fifteen times enlarged molar shows progressive caries decay through enamel and dentin into the pulp chamber, supporting dental hygiene and pathology teaching.