Sound & Waves

1401/ED KUNDT'S TUBE

One meter long tube of soda glass fitted on polished wooden stand with 2 pistons

1403/ED ORGAN PIPE

A) Wooden well polished, open or closed. B) Wooden, well polished opentype with sliding

1405/ED RESONANCE APPARATUS

Comprises glass tube mounted on retort stand with clamp and boss; with 500 ml glass tube, connecting tubing and spring clip supported on split iron ring.

1407/ED RESONANCE TUBES

Comprising of two glass tubes, one 300 x 32 mm and other 300 x 25 mm. The smaller tube slides inside the wider tube in foam plastic collar, allowing the air column length to be varied from 300 to 530 mm.

1409/ED RESONANCE BOXES

Wooden, fitted with holders for tuning forks. For 1 / 2 / 3 / 4 forks.

1411/EL SONOMETER

700 x 90 mm wooden baseboard mounted on four feet. Two spring balances 50 N with hooks are provided at one end. At the other end are two wrestpins. Supplied with three bridges, two steel wires and one wrest-pin key.

1413/NE RIPPLE TANK

Comprises robust power supply, legs with levelling screws. Legs, other supporting rods and stroboscope made of Aluminium. Moulded detachable ripple tank tray.

1415/EL WAVE MOTION APPARATUS

For demonstrating longitudinal and transverse wave motion. Consists of 18 eccentric aluminium discs supporting a series of metal rods on revolving the handle, transverse waves are obtained with bent. Straight rods on wooden box.

1417/EL SLINKY SPRING

Flat section tempered steel wire in helical coil, about 3 cm dia x 12 cm length closed size. Extended 5 meters.

1419/ED TUNING FORK

1421/ED TUNING FORK MOUNTED

Pair of nickel plated tuning forks A (426.6). One fitted with sliding weight fitted on resonance box. The other plain tuning fork also fitted on individual resonance box. Complete with hammer.

1423/ED WOODEN HAMMER

For tuning forks.

1425/ED WHIRLING TABLE

Overall height 430 mm, for use in vertical or horizontal position, fitted with hand wheel and wire helix belt drive to pulley with adaptor supplied and accept colour disc.