These screw form Hoffman Clamp allows added control by a screw type adjustment which allows more or less air or liquid through.
These Dropper Bulbs can be used with pipettes and syringes.
The uncalibrated Specific Gravity Bottle, 25 ml, is made of borosilicate glass with ground stoppers for a precision fit.
These Boston Round Flint Bottles with Dropper Assemblies are made of non-porous glass and autoclavable.
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.
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.
2020 ABRA Electronics Corp.