Sonometer

Sonometer 
Comprising a hollow wooden box 1140x125x100mm with 2 meter rules divided in mm. three wires of brass & steel attached to fixed bridge & tensioned by fine adjustment pegs. Two movable bridges, pulley & fixed screw to enable a third wire to fixed for tensioning by masses. Complete with two bridges.

Sonometer ALTEC Laboratory Equipments and ALTEC Laboratory Instruments Tenders.