corrigendum-1 - tender for various machines & equipments for testing of civil product in chemical lab - 1. cube mould steel , 70.6mm 2. accelerated curing tank ( cooling and boiling water method ) 3. concrete mixer ( pan type ) capacity 40 l 4. buoyancy balance with density basket. 5. automatic blaine apparatus 6. vicat apparatus, 7. le –chatelier mould 8. shrinkage bar mould. 9. flow table ( electrically operated ) 10. vibrating machine 11. cement permeability apparatus supply with compressor 12. length gauge with isi mark 13. thickness gauge with isi mark 14. cylindrical metal measures with isi certification mark 15. aggregate crushing value apparatus ( 150mm ) 16. los angeles abrasion testing machine 17. tile flexure strength testing machine 18. tile abrasion testing machine 19. universal penetrometer with penetration cone 20. bitumen penetration 21. redwood viscometer no. 1 & 2 22. cannon manning cum cannon fenske viscometer bath with vaccum pump ( with tubes ) 23. ring and ball apparatus, semi automatic: 24. centrifuge extractor 25. ductility testing machine with digital display 26. trichloroethylene recycler 27. digi marshal stability test apparatus 28. modulus of rapture ( mor ) testing machine for ceramic 29. standard sand for testing cemen 30. humidifier and dehumidifier 31. digital electronic balance