Guinea And Feather Apparatus, Glass Tube Is 50Cm (20in) Long And 16mm Diameter With Two Rubber Bungs, One Carrying Brass, And 40Cm Long Pressure Rubber Tubing To Connect To Vacuum Pump, Includes: (1) Glass Tube, (1) Piece Of Rubber Tubing
Gyroscope, 7.5cm brass wheel balanced with three pairs of adjustable pivots fitted on stand, 3 cm at its rim, carefully balanced and all three pairs of pivots are adjustable, Complete fitted on stand
HOOKUPZ* 2.0, Universal Smart Phone Optics Digiscoping Adapter, Optics with an eyepiece of 25-58mm, For Binoculars, Spotting Scopes, Monoculars, Telescopes, Microscopes, Incompatible for riflescopes and tablets, Fits ipods, iphones, Galaxy, Motorola and HTC phones
Hall Effect Apparatus, Features: n-type GaAs Hall sensor chip, Two-axis mechanical traverse for field plotting, 3-1/2 digit current and voltage meters, Metal storage case for the Hall Effect board, Reversing switch for exploring the elimination of systematic error
Hall'S Car, Single, Can Be Used With An Inclined Plane, Weights, And Pulleys To Study Relationship Between Energy And Work. It Features A Molded One-Piece Body With A Central Well To Hold Additional Masses, Molded Wheels Have Sleeve Bearings
Hall'S Carriage, One-Piece Aluminum Wheels And Axles Mounted In Cone Bearings, For Dynamics Experiments, For Low Friction Operation. One Piece Plastic Body With Facility To Add Weights On The Top. Used With Inclined Planes, Size 13.5 X 7 X 3.5 Cm