A kit for eight students enabling each to build up a workable
( Straw Beam) micro balance with which quite accurate weighings
can be made.
9 wooden base blocks 38 x 38 x 19 mm.
9 wooden index strips 150 x 19 x 1.5mm
9 rubber bands, 50mm long.
9 balancing screws 50 mm long.
9 needles, fine, for pivots.
9 balancing screws 12.5mm long to fit straws.
9 aluminium bearing channels 50 x 16 x 26 mm deep.
100 Drinking straws.
Complete with equipment notes.