Two Necks Multiple Adapter, 19/26 Socket and 19/26 Cone, Borosilicate Glass Material_Steel 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

Stackable 300mm red 4mm lead with nickel-plated split-hollow pins on both ends

silicon tubing in a 5-by-1 mm profile supports biology laboratory runs where cross-contamination between experiments matters

Cast iron five-piece stackable slotted mass set combining a 5 kg

wave monitor

Two Necks Multiple Adapter, 19/26 Socket and 19/26 Cone, Borosilicate Glass Material_Steel Four 153 x 76mm platesTwo neck multiple adapter in borosilicate glass features 19 26 socket and 19 26 cone for multi component chemistry apparatus connections.