DC Electronic Recording Timer 8V to 12V 2 Speed head allowing for the growth and

allowing for the growth and observation of cells under controlled conditions

Groove aligned to rod axis

This Water Sampling Kit For Pond and Stream includes two sets of jars designed for gathering water samples

whether it be in a laboratory or industrial environment

A B24 Liebig Condenser 300mm x 1

DC Electronic Recording Timer 8V to 12V 2 Speed head allowing for the growth andThis DC Electronic Recording Timer generates 25 & 50Hz from an AC or DC source or 12V PlugPak, and its microprocessor and slide switch make frequency selection easy. The device has a heavy diecast base and rubber feet, allowing it to vibrate at 50Hz without clamping, and can be held on a retort stand for 'Falling' experiments. Comes with a 30m roll of paper and 25 carbon discs for marking. The Kit Includes: 1 x Recording timer, with hammer and