ASTM E1272 Class A Serialized Graduated Cylinder with Hex Base and Guard, 50mL, Autoclavable, Borosilicate 3.3 Glass Graduation Color_Blue Four 153 x 76mm plates

Four 153 x 76mm plates - each holding 98 iron-rod plotting compasses in a 14 x 7 matrix - assemble flat or as the faces of a cube to display 2D and 3D field-line patterns

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

5-inch base

Polished non-warping wooden base with a built-in meter-scale carries a compass-box magnetometer

ASTM E1272 Class A Serialized Graduated Cylinder with Hex Base and Guard, 50mL, Autoclavable, Borosilicate 3.3 Glass Graduation Color_Blue Four 153 x 76mm platesASTM E1272 Class A serialized graduated cylinder in borosilicate 3. 3 glass holds 50mL for precision volumetric measurement with traceability.