a) Ohm’s Law Appt: To verify ohm’s Law Appt., one wire wound Potentiometer one voltmeter one Milli ammeter mounted in wooden/Metal Cabinet Polish/Powder coated case with terminals & with AC/DC meter. b) Ohm’s Law Appts : Same as above but with D.C. meter. c) Ohm’s Law Appts : Same as above but on teak wood/Powder Coated matel base. d) Resistance in series and Parallel: - Mounted on board with circuit diagram and also provided with one meter. e) Megaohm Resistance Box: 1) Sub divided into 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8 & 0.9 and 1 megaohm. The coils are wire wound and tested fully heat treated and aged. Accuracy 0.1% Plug Type. 2) As above but made of Manganin coils. f) Megaohm Resistance Box Dial Type Single: 1) Dial Divided in tenth, fitted with all Constanta coils. 2) Same as above but made of manganin coils.