<TABLE>
FORM 13F INFORMATION TABLE
VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE
------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- --------
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
ABBOTT LABORATORIES COM 002824100 623 13100 SH SOLE 13100
AMERICAN EXPRESS CO. COM 025816109 5586 91950 SH SOLE 91950
AMERICAN HOME PRODUCTS CORP. COM 026609107 1419 25092 SH SOLE 25092
AMERICAN INTERNATIONAL GROUP COM 026874107 6862 71713 SH SOLE 71713
ANALOG DEVICES, INC. COM 032654105 3225 39060 SH SOLE 39060
BAXTER INTERNATIONAL, INC. COM 071813109 210 2636 SH SOLE 2636
BERKSHIRE HATHAWAY CL A COM 084670108 1610 25 SH SOLE 25
BERKSHIRE HATHAWAY CL B COM 084670207 6597 3187 SH SOLE 3187
BIOTECH HLDRS DEP RCPTS COM 09067d201 312 1600 SH SOLE 1600
BOSTON PROPERTIES INC. COM 101121101 2028 47225 SH SOLE 47225
BP AMOCO PLC SPONS ADR COM 055622104 861 16237 SH SOLE 16237
BRISTOL MYERS SQUIBB CO. COM 110122108 6718 117610 SH SOLE 117610
CISCO SYSTEMS, INC. COM 17275R102 9105 164792 SH SOLE 164792
CLECO CORP NEW LOUISIANA COM 12561W105 210 4500 SH SOLE 4500
COCA COLA CO. COM 191216100 618 11209 SH SOLE 11209
DUKE-WEEKS REALTY CORP. COM 264411505 1987 82372 SH SOLE 82372
EMC CORPORATION COM 268648102 7389 74543 SH SOLE 74543
EMERSON ELECTRIC CO. COM 291011104 2140 31940 SH SOLE 31940
EQUITY OFFICE PROPERTIES TR COM 294741103 4870 156780 SH SOLE 156780
ERICSSON LM TEL SEK 10B ADR COM 294821400 7954 536985 SH SOLE 536985
EXXON MOBIL CORP. COM 30231G102 1092 12257 SH SOLE 12257
FIRST YEARS INC. COM 337610109 122 14000 SH SOLE 14000
FLEETBOSTON FINANCIAL CORP. COM 33901A108 844 21636 SH SOLE 21636
GENERAL ELECTRIC CO. COM 369604103 6698 116104 SH SOLE 116104
GILLETTE CO. COM 375766102 5484 177614 SH SOLE 177614
INTEL CORP. COM 458140100 10020 241094 SH SOLE 241094
INTERNATIONAL BUSINESS MACHINE COM 459200101 1687 14997 SH SOLE 14997
J. P. MORGAN & CO. COM 616880100 328 2010 SH SOLE 2010
JOHNSON & JOHNSON COM 478160104 8899 94735 SH SOLE 94735
KIMBERLY CLARK CORP. COM 494368103 2712 48599 SH SOLE 48599
LUCENT TECHNOLOGIES COM COM 549463107 1581 51722 SH SOLE 51722
MCDONALDS CORP. COM 580135101 3956 131060 SH SOLE 131060
MERCK & CO. INC. COM 589331107 7728 103812 SH SOLE 103812
MERRILL LYNCH & CO. COM 590188108 3432 52000 SH SOLE 52000
MICROSOFT CORP. COM 594918104 9099 150870 SH SOLE 150870
MINNESOTA MINING & MANUF. CO. COM 604059105 458 5031 SH SOLE 5031
MOTOROLA INC. COM 620076109 652 23067 SH SOLE 23067
NESTLE SPON ADR REPSTG REG SH COM 641069406 569 5460 SH SOLE 5460
NEXTEL COMMUNICATIONS COM 65332V103 477 10200 SH SOLE 10200
NORTEL NETWORKS CORP NEW COM 656569100 4761 79932 SH SOLE 79932
NOVARTIS ADR COM 66987V109 557 14410 SH SOLE 14410
ORACLE SYSTEMS CORPORATION COM 68389X105 3799 48241 SH SOLE 48241
PARAMETRIC TECHNOLOGY CP COM 699173100 4731 432530 SH SOLE 432530
PFIZER, INC. COM 717081103 7479 166427 SH SOLE 166427
PROCTOR AND GAMBLE COM 742718109 4320 64472 SH SOLE 64472
RADIOSHACK CORP. COM 875382103 811 12550 SH SOLE 12550
REUTERS GROUP PLC SPON ADR COM 76132M102 786 6997 SH SOLE 6997
SBC COMMUNICATIONS INC. COM 78387G103 232 4643 SH SOLE 4643
SCHERING PLOUGH CORP COM 806605101 9395 202033 SH SOLE 202033
STATE STREET CORP. COM 857477103 326 2510 SH SOLE 2510
STERIS CORPORATION COM 859152100 301 25100 SH SOLE 25100
STMICROELECTRONICS N.V. COM 861012102 5061 106263 SH SOLE 106263
SUN MICROSYSTEMS INC. COM 866810104 428 3670 SH SOLE 3670
TELEFONICA SA SPAIN ADR COM 879382208 2449 41204 SH SOLE 41204
VERIZON COMMUNICATIONS COM 92343v104 411 8477 SH SOLE 8477
WALT DISNEY CO. COM 254687106 3355 87712 SH SOLE 87712
</TABLE>
