0000350440-97-000011 SC 13G 1 19970212 NASD BACOU USA INC 0001006027 3851 050470688 DE 0731 SC 13G 34 005-49201 97526305 10 THURBER BLVD SMITHFIELD RI 02917 4012330333 10 THURBER SMITHFIELD RI 02917 SELIGMAN J & W & CO INC /NY/ 0000350440 0000 133043476 NY 1231 SC 13G 100 PARK AVENUE - 8TH FLOOR NEW YORK NY 10006 2124880200 100 PARK AVENUE 8TH FLOOR NEW YORK NY 10017 SC 13G 1 000035044097000011-001-seq1-sc-13g.txt SCHEDULE 13G