Bristle Cleaning Brush for 1"-1.2" Tubes Pack Size:Single SQUIBB || Squibb-style dropping/separatory funnel

SQUIBB || Squibb-style dropping/separatory funnel with 50ml capacity

For classroom and stockroom room-condition monitoring

you can be sure that they are a safe product to handle in the classroom or the lab

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

Great for geology classrooms and budding geologists

Bristle Cleaning Brush for 1"-1.2" Tubes Pack Size:Single SQUIBB || Squibb-style dropping/separatory funnelBroader fan shaped bristle end covers interior surfaces of wider bore test tubes, cylinders, and jars, with a stainless steel wire handle that resists corrosion.