J.S Exports Ambala Cantt, Haryana

We offer Vernier Caliper. VERNIER CALIPER (1167) IME type , plated steel with dual scale 0-15 cm x 0.1mm, and 6x128 inches, provided with thumb movement for easy motion of jaws, in velvet lined boxplastic case.

Offers tuning forks (1419) a set of eight tuning forks one each of c (256) d e f g a b c (512) supplied in a velvet lined case. (individual tuning fork of any one frequency can also be supplied.) cat no. a b c d e f g h frequency 256 288 320 341 384 426 480 512 note c d e f g a b c.

We offer Protractors. PROTRACTORS (1164) Plastic, divided in full degrees and calibrated at each 10º. (a) Circular Protectors (360º) (b) Half-Circle Protector (180º)

We are offering linear expansion apparatus (1327) a 50cm long 2.5cm dia brass nickel plated pipe with inlet and outlet tubes for steam and an opening for thermometer is fitted with a metal rod and is held on a metal frame work. The expansion of the metal rod is recorded by a spherometer. Two 4mm socket of screw. Supplied with three different metal experiment rods.

Offers hypsometer(1324). To determine the upper fixed point of thermometers and boiling points at barometer pressure. Comprises an upper boiling vessel with a steam jacketed inner tube. A lid with a tubular projection is provided which holds the thermometer in a rubber bung. A side outlet draining tube and a glass manometric tube mounted in a tubular with bung. Made of copper sheet. Size 300 x 75mm dia.

We are offering expansion apparatus (1326) comprising two iron casted stand of 180 mm height joined by 2 chrome plated rods, with an expansion rod, length 380 mm, fixed on one stand and resting on a friction pointer placed at the other. With graduated scale 0-90 with 3 expansion bars of iron, aluminium and brass.

Offers bar breaking apparatus(1323) to show the force of contraction or expansion. A heavy cast iron base with 4 uprights, an iron rod one end of which is screwed by a hand nut. The other end is drilled with holes to carry a 75 x 6mm cast iron rod bearing against narrow flats.

A brass casted gauge with wooden handle sliding fit over ends of a bar 110 x 12mm dia. The gauge has two holes of l2mm. Dia. In both the arms. The bar is held by a metal rod fixed into a wooden handle.

Offers ball and ring apparatus(1321). A brass ball 25mm dia with a metal chain attached to wooden handle which holds a metal ring on a rod. Cool ball passes through the ring but hot will not pass through.

We offer Adjustable Tuning Fork. ADJUSTABLE TUNING FORK (1421) Precision-grade aluminium alloy tuning fork with sliding weights on each tine. Weights adjust to deliver tones in C-128, D-144, E-160, F-170.7, G-192, A-213.3, and B-240 frequencies. Overall length, 8”.

We offer Bar and Gauge. BAR AND GAUGE (1322) A brass casted gauge with wooden handle sliding fit over ends of a bar 110 x 12mm dia. The gauge has two holes of l2mm. Dia. In both the arms. The bar is held by a metal rod fixed into a wooden handle.