DURO-TEST CORP <DUR> 2ND QTR JAN 31 NET Shr 10 cts vs 14 cts Net 531,896 vs 727,781 Revs 16.0 mln 16.8 mln Six mths Shr 30 cts vs 39 cts Net 1,532,431 vs 2,000,732 Revs 32.7 mln vs 34.5 mln