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GP-570.1 STUDENT SONOMETER Comprising a wooden board 690x90mm mounted on four feet, at one end of the box are two 5Kg x 100g spring balances with hooks and at the other end are two wrest pins with 3 Bridges out of which one is large to span both wires and the other two are small for the individual wires. Complete with steel wires and pins.  GP-573.1 SONOMETRE Comprising a hollow wooden box 1140x125x100mm length x width x height with 2 metre rules, 1 metre long divided in mm. Two wires of brass and steel attached to fixed bridge and tensioned by fine adjustment pegs, two movable Bridges, Pulley and fixed screw to enable a third wire to be fixed for tensioning by masses. Complete, with 2 Bridges.  GP-574.1 TUNING FORKS SET BLUE STEEL Set of 8 of blue steel, plain shank, one each of C(256) D,E,F,G,A,B,C (512) in velvet lined box.  GP-575.1 TUNING FORK SET OF 13 Chrome plated with frequency marked, a set of 13 of different frequency from 256C to 512C, packed in velvet lined box.  GP-575.2 TUNING FORK SET OF 13 Same as above made of aluminium alloy rustless. Page : 1 | 2 | 3 |