pH 1-14 Indicator Paper Dispenser Subcategory_Bases and Rods Spring-loaded two-prong jaws self-adjust to

Spring-loaded two-prong jaws self-adjust to apparatus up to 2

Plug-to-clip 12-inch black lead combining a 4mm banana plug at one end with an alligator clip at the other

a step up from the 70mm model with extended pole separation that gives field-mapping experiments more room along the magnet axis

2 triple-tandems

this Jolly's photometer turns the inverse-square law into a measurable observation

pH 1-14 Indicator Paper Dispenser Subcategory_Bases and Rods Spring-loaded two-prong jaws self-adjust toDispenser feeds pH 1 14 indicator strips one at a time for quick bench top pH testing with minimal contamination of the remaining roll.