Samuel Cabot Inc., Newburyport, MA, is marking its 125th year of operation in 2002 with the publication of a company history. The 122-page book traces the company's history from its 1876 origins as a maker of a wood-preserving shingle stain to a manufacturer of a range of wood-finishing and wood-care products. The book includes historic photos and drawings, including photos of the four Samuel Cabots who have headed the company.