Borosilicate Glass Tubing, 20 inch, 0.28 inch OD and 0.19 inch ID Protective Collar_None supplied in wooden case with

supplied in wooden case with glass top

letting students watch the wire travel along the rail as roughly 3A of current crosses the magnetic field

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

Transparent rectangular glass jar measures 25 x 15 x 15cm for specimen display

Borosilicate Glass Tubing, 20 inch, 0.28 inch OD and 0.19 inch ID Protective Collar_None supplied in wooden case withBorosilicate glass tubing measures 20 inches with 0. 28 inch outer diameter for glassblowing, apparatus construction, and laboratory procedures.