Wooden Lever Kit (Demonstration Balance) (Each) A741164 but the addition of the

but the addition of the F# and Bb notes expand the available range a little more

Pack of 15

pulleys and temperature detector are all included so that chemical

Includes an extra pair of ear tips and a replacement diaphragm cover

Wooden Lever Kit (Demonstration Balance) (Each) A741164 but the addition of theMade of wood, one meter long graduated scale is balanced on knife edge of the fulcrum. Supplied with 2 sets of 100 g weights. One meter long with fulcrum lever is graduated in centimeters and is balanced on the fulcrum by a transverse groove cut midway in the length of the lever over knife edge of the fulcrum, supplied with 2 sets of 100 g weights.