THE NEW-YORK HISTORICAL SOCIETY, CENTRAL PARK WEST & 77TH STREET FOUNDED 1804 HOURS THE ART GALLERIES AND MUSEUM Open free to the public daily except Mondays, from 1 to 5 p.m. Saturdays: 10 a.m. to 5 p.m. THE LIBRARY Open daily except Sundays: 10 a.m. to 5 p,m. Holidays: 1 to 5 p.m. The building is closed on New Year's Day, July 4th, Thanksgiving, and Christmas, and during the month of August. THOMPSON HOMESTEAD MEMORIAL MUSEUM East Hampton, Long Island Open during the summer only EGYPTIAN COLLECTIONS The Egyptian Collections of The New-York Historical Society are on exhibition in The Brooklyn Museum, weekdays, from 10 a.m. to 5 p.m.; Sundays and holidays, from 1 to 5 p.m.