Tender For tender for supply of non-computerized counter and parallel flow apparatus , thermal conductivity apparatus , stefan boltzmann apparatus , apparatus for heat transfer through composite wall , apparatus for heat transfer through natural convention , apparatus for critical heat flux apparatus , apparatus for heat transfer through lagged pipe , apparatus for heat transfer through forced convection , models of boiler mountings and accessories. , models of two stroke and four stroke engine for diesel and petrol engine , different types of steam traps (mechanical ball float type) (thermodynamic steam trap) , digital energy analyzer , induction motors with starter single phase , single phase transformer , 2 kva , digital three phase energy meter , different types of starters such as direct on line starter , star delta starter , auto- transformerstarter etc. , experimental set up for experiment in parallel & series connection , stair case wiring , tube light wiring , motor connection , speed measurement , demonstration of winding etc with necessary power , voltage , and current measuring devices (wiring board for practical classes). , hand tachometer , soft starter , digital pocket type thermometers with different types of probes , multi channel data logger , various tutors/transducers , pid controller temperature controller system , solar lighting system , non-computerized refrigeration tutor , non-computerized air conditioning tutor , models of sealed and open type compressor , refrigeration plant controls , refrigerant charging station cum tutor.