10 x 7" Aluminum Dissection Tray, No Wax Item Type_Tray Simple-form wheel and axle with

Simple-form wheel and axle with a larger wheel on a smaller axle

Used to measure induced EMF as a magnet falls through a 100-turn coil on a 15mm acrylic tube

the shorter focal distance lifting magnification for fine-print and specimen detail work

paired with a 13 mm curved enamel-coated steel blade for portable benchtop and laboratory measurement tasks

Tube-mounting carrier pairs with an electric clinostat for rotating small specimens through altered-orientation conditions in heliotropism and geotropism experiments

10 x 7" Aluminum Dissection Tray, No Wax Item Type_Tray Simple-form wheel and axle withLightweight aluminum dissection tray provides a smooth wash down surface for introductory specimen work in biology and life science teaching labs.