bids are invited for az by hour angle form , skew sub base form , minor topographical triangulation form , bearing round form , horizontal and vertical observation form , az by polaris form , field traverse form , change of grid form , lay on slip form , computing slip form , bearing picket form , taping form , modified short base form , short base intersection form , scheme digammas form , azimuth by altitude form , compiler record form , conduct of shoot form , target map fan , cpsf form , gun correction form , programmer shoot form , smoke screen form , reduction of gun data form , datum deduction form , cp op log form , fire order pad form , radio log form , gun programmer form , manual prediction form , met obsn , met telegrams form , reports and return form , task table machali form , task table sares , round to round form , target record form , grid sheet 1 50000 , grid sheet 1 25000 total quantity : 629