A planed board 600 x 75 mm hinged to the both sides of the base  board of size 900 x 75 mm. The upper board is fitted with aluminum  railing for smooth flow of steel balls. Both upper boards can be set at  any angle by clamping the wing nuts separately.  Provided with set of steel balls.Trolley " for use in Friction Board P-748A..

Made of wood half meter long & Sunmica top and supplied with a wooden slider with hook, trolley, pan, Weightsii) made of soft wood Export Quality iii) 1 meter..

a)     Iron 4”    b)      5” Large   c)      6” ..

A plane board : 600 x 75 mm  hinged to the base at one end and provided with a pulley for the force at other end either with  glass top or polished surface.The upper plane : can be set at any angle by clamping the wing nut.Complete with graduated Al. Arc &,Iron C.P. Roller & Pan with thread.i) made of soft thick woodii) -do- 4” ex..

The substantial four-gap bridge has broad, plated brass strips mounted on a wood base. Large plated brass terminals with 4 mm sockets are provided to reduce unwanted resistance to a minimum and the end gaps are closed by removable plated brass strips which are held in position by the terminals, Sunmica TopB) Super Deluxe Heavy Frame..

Best quality, made from wood. Both edge divided in cms and mms  (i) Half Meter superior    (ii)Superior Quality Full      (iii)ISI Marked..

Potential Divider  Dial type 10 coils of 100 ohms..

Comprising constantan wires of 24 SWG one meter long, clamped under brass strips of SWG 18 and fitted by screws. Each block is fitted with lock type brass terminals. The assembly is fitted on wooden /laminated thick board. Supplied with Pencil Jockey.A) One meter, one wire pencil JockeyB) 4 wire, pencil Jockey deluxe with SunmicaC) 10 wire, Sunmica..

1st  Dial 6x 250 mV= 1500mV2nd Dial (slide wire) 500 divisions=250mVeach slide wire division is equal to ½ millivolt or 500 micro volts. Course & fine rheostats are provided. Terminals for 2 Volt Battery, Galvanometer, standard cell are provided. ..

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Potentiometer Digital..

1st  Dial  17 x 0.1V =   1.7 V2nd Dial (slide wire)  100x0.001 =   0.1VRange Multiplier : 1/10 gives lease count as 0.0002 VAdditional Range Multiplier :  1/100 gives least count as 0.000002 VRange of Measurement :  0.000002 V to 1.8 V ..

1st  Dial 18 x 0.1V = 1.8 V2nd Dial (slide wire) 100x0.001 = 0.1V3rd Dial (slide wire) 100x0.0001 = 0.01VRange : 1.901 V to 1 micro volt with the help of a range multiplier of 1/10Additional Range Multiplier: 1/100 gives range  1.901 V to 0.1 micro volt..