Voltmeter : MO-65, round, D.C. 65mm dia, scale index  ± 2.5 F.S.D. Mounted in beautiful bakelite desk stand with lock type terminals, common ranges available are :-
Voltmeter :  0 to 1, 3, 5, 10, 100, 300 volts
Millivoltmeter :  0 to 50, 100, 250, 300, 500 milli-volts 

Voltemeter :  Same as above provided with hand calibrated scale,  more sensitive. Accuracy class index ± 1.5 F.S.D. A grade, superior  

Galvanometer :  MO-65, round, D.C., 65mm dia  accuracy class index ± 2.5 F.S.D. Mounted in beautiful desk stand  with lock type terminals, range 30-0-30 or 50-0-50.   

Galvanometer :  Same as above with hand calibrated scale, more sensitive. Class A, accuracy ± 1.5 F.S.D.         
Please Note : 
a)  Extra Charges for M.R.-72, 72 x 72mm sq. bakelite mount with rectangular Acrylic front
b)  Extra charges for A.C. meters instead of D.C. Meters.

Spot Reflecting Galvanometer :  With built - in lamp and scale arrangment, operates on 220 volts A.C., coil resistance 100 ohms or 600 ohms with locking arrangement, time period App. 1.8 seconds.  

Porous Pot :  "Eagle" charged, for lechanche cell, 150 x 150mm having e.m.f. exactly 1.5  volts, special quality.   

Zinc Plate :  15x5 cm with brass screw, nut and terminal.
a) Ist quality 27.00 
b) IInd quality 

Zinc Rod :  Made from high grade pure zinc with brass screw, nut and terminal, superior.
a) 140 x 9mm
b) 150 x 9mm
c) 150 x 10mm