bids are invited for 1 item1 cut section model of 4-stroke single cylinder petrol engine 2 item2 cut section model of 4-stroke single cylinder diesel engine 3 item3 model of various boiler mounting and accessories-steam stop valve, safety valves, blow off cock,water level indicator, low water high pressure safety valve, pressure gauge, economiser, pre heater(air), super heater model only. 4 item4 single stage reciprocating air compressor 5 item5 rotary air compressor( lobe type) 6 item6 lancashire boiler model 7 item7 nestler boiler model 8 item8 babcock & wilcox boiler model 9 item9 heat transfer apparatus for conduction 10 item10 heat transfer apparatus for convection 11 item11 heat transfer apparatus forradiation 12 item12 model of 2 stroke petrol engine 13 item13 model of 4 stroke petrol engine 14 item14 model of 2 stroke diesel engine 15 item15 model of 4 stroke diesel engine 16 item16 steam separating &throttling calorimeter fully instrumented to determine, quality of steam of 10-15 kg/cm2 . pressure with steam condensing arrangement 17 item17 multi cylinder petrol engine test rig ( morse test rig)