Gravesande Ring and Ball, 19mm Ball Material_Neoprene sized for sustained workshop work

sized for sustained workshop work where the smaller 25W and 65W irons can't keep heavy joints flowing solder

this 125mL translucent polyethylene wash bottle features a flexible delivery tube for targeted solvent application

this three-finger lab clamp pairs vinyl-coated prongs with a swivel bosshead for flexible rod mounting

a classic simple-machine apparatus for demonstrating mechanical advantage through radius ratio

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Gravesande Ring and Ball, 19mm Ball Material_Neoprene sized for sustained workshop workFlame heated thermal expansion demonstrator with a 19mm metal ball dropping through a matched ring when cool, no longer fitting once heating expands its diameter.