supply, testing , installation and commissioning of new and unused different tools, instruments, equipment of surveyor trade courses for govt. iti purulia , procurement of new and unused tools & equipemtnsfor surveyor trade ( schedule-i ) , binocular ( 20×50hd ) , computing scales two hectares , computing scale five hectares , offset scale for cadastral survey , metal cross staff-box type , metal cross staff-open type , drawing board ( 1250 mm x 900 mm ) , height indicators , levelling staff ( 4m ) , metric chain ( 30m ) , metric chain ( 20m ) , magnifying glass , magnet bar ( for magnetizing through compass needles ) , pen knife , plane table with stand , accessories & water proofing cover , telescopic alidade , ragging rod ( 2m ) , offset rod , optical square , railway curves ( set of 50 in a box ) , survey plotting scale ( 8 scales with offset scale in box ) , stencil set , fibre glass tape ( 30m ) , steel tape ( 30m ) , steel band ( 30m ) , dumpy level magnification 20x with stand & accessories , auto level min. length-8 inch, magnification 24x, min focus distance 0.3 m from the end of telescope, horizontal motion drive, double sided knob, sensitivity 10” per 2 mm, with stand & all accessories , prismatic compass with stand , planimeter ( digital ) , measurement by 6 digits pulse count, auto shifting of unit, auto power off ( with 1 day demo & complete operational practical training ) , theodolite transit with stand & all accessories ( vernier reading 20, magnification 25x ) , hand gps-latest version ( sunlight readable colour display with 240x320 pixel resolution, min. 8 hrs. battery life, 4 gb memory, with rechargeable battery, charger etc. )