mining engineering instruments , description , strength index cylindrical apparatus. , digital vernier caliper , digital weight balance , tele tells: 1) single height tell tale: 2) dual height tell tale: 3) rotary tell tale:4) auto warning tell , convergence indicators 1) telescopic convergence indicator: 2) remote convergence indicators: , vibrating wire load cell: (50kn) : , stress meters , volumnometer , vane anemometer , digital velometer , pitot static tube , sylvester prop withdrawer , lux meter , model of different types of stopping , working model of centrifugal mine fanwith water gauge , working model of axial flow fan with water gauge , model of air crossing 1) under crossing 2) over crossing: , working model of regulator , working model of airlock , samples of different types of stranded rope , workingmodel of keps , model ofrope capping (wedge type) , cut section model ofdifferent types of centrifugal pump 1)volute pumps original and cut section , runaway switch , drop warwick - , jazz rails , retarders , model of fore polling , core drilling machine (without bits) new model , diamond core drilling bits , core cutting and grinding machine (50-100mm. dia) , slake durability apparatus , brizillian test apparatus with accessories , triaxial cell: triaxial testing system , point load index tester , schmidt hammer , extensometers , multigas detector , d-6 methanometer , flame safety lamp , magnetic unlocker for flame safety lamp , gas chamber setup , self-contained compressed oxygen breathing apparatus , chemical self-rescuer , working model of the direct rope haulage , workingmodel of head gear , working model of different types of koepe winding 1) tower mounted koepe system :2) ground mounted koepe system : , turbine pumps , working model showing a) gate belt conveyor with loop takeup b) scraper chain conveyor 1 set 0f 2 , working model of ventilation district of underground coal and metal mine , working model of pit top and pit bottom layout , model of wedge cut , model of underground mine support , drone survey assembly(with accessories) , dgps 3