The flame can easily be controlled higher or lower by rotating the ratcheted wick control wheel. The air cap is securely attached to the burner by a matching polished chain. Dimensions: 3.5" tall. 2.75" in diameter. 150ml capacity.
These aprons are built for durability and protection from everything from natural materials to chemicals. The rubber cloth apron is impermeable and easy to clean.
This is a Concave/Convex Glass Spherical Mirror , 50mm D x 15cm FL.
This is a clear student protractor for measuring anything without obstruction view. Durable and easy to clean these area scaled in both Metric and English Units.
The economical Aneroid Sphygmomanometer is sturdy and dependable. It measures blood pressure with Velcro arm cuff and easy to read dial. It comes with its own vinyl storage case.
The Two Way Burner Stand is ideal for use with alcohol burners. The base is made from 3/16" stainless steel rod with a plated steel mesh top. Stand can be used in either high or low positions.
This conisists of five 2" x 2" Acrylic Color Filters ideal for optical transmission, measurements, solar monitoring, attenuation of laser beams and demonstrating laser light's monochromatic character.
These plastic petri dishes are used in laboratories for essential experiments in the field of growing and studying sciences.
With the Alternating/Direct Current Generator you simply turn the handle and a current is produced that illuminates a lamp mounted on the generator base. Specially designed commutator switches between AC and DC current generation. Open construction allows visibility of all the parts. Magnet polarity marked "N" and "S" for easy reference. Can be removed and remounted with the opposite polarity. Binding posts allow external meters to be hooked up to generator.
Set contains twelve 3 1/2 X 4 1/2 polystyrene spot plates and each spot plate contains twelve 5.7mm depressions.
These porcelain Spot Plates for observing reactions with color changes are useful for micro chemistry applications.