Penny Head Solid Cone Stopper, 24/29, Borosilicate Glass Diameter_200mm and a motor accessory

and a motor accessory

closing the circuit only while the button is held to introduce momentary-contact behavior alongside latched switches

This 2000ml separating funnel has a robust pear shaped body with a 6" diameter at its widest point

Seventeen-and-a-half-inch wooden simple-lever apparatus with an adjustable fulcrum on an 8

this bottle of coarse 20-mesh iron filings is a staple for classroom magnetism and field-pattern demonstrations

Penny Head Solid Cone Stopper, 24/29, Borosilicate Glass Diameter_200mm and a motor accessoryPenny head solid cone stopper in borosilicate glass features 24 29 cone for sealing ground joint vessels with finger grip top design.