Upper Providence Township.

smith. He married Ann Worrall daughter of Dr. Thomas and Lydia Worrall, of Delaware County, to whom was born in 1786 a son, Thomas Cassin. His early life was spent in Philadelphia, after which he removed to Delaware County, having inherited the farm of his maternal grandfather. He married Rachel, daughter of Isaac and Hannah Sharpless, of Delaware County, whose children are John (a distinguished naturalist), Lydia, Luke, Thomas W., Rebecca S. (Mrs. Richard Thatcher, of Delaware County), William V., Isaac S., Ann Eliza (Mrs. Henry F. Esrey), and Susanna S. The death of Mr. Cassin occurred in Delaware County in 1859. Isaac S., the fifth son, was born July 29, 1826, in Upper Providence township, near Media, and in 1841 became a pupil of the Friends' school at Westtown, Chester Co., after which he studied under private tutors. He early manifested a talent for mechanics, and entering the shop of I. P. Morris & Co., served an apprenticeship as a mechanical engineer. He was subsequently employed in various capacities in connection with his profession, and in 1856 appointed engineer of the Spring Garden Water-Works of the city of Philadelphia, having meanwhile given much attention to hydraulic engineering. Again for a brief period he engaged in the mechanical department of engineering, and in 1862 was elected chief engineer of the Water Department of Philadelphia, where he remained two years. Mr. Cassin then served for one year as engineer of the Philadelphia Gas-Works, having meanwhile embarked in the construction of water-works and gas-works. He had prior to this received the appointment of chief engineer of the United States Mint, and ultimately relinquished the position to devote his personal attention to large and increasing business enterprises. He constructed the water-works at Chester, Delaware Co.; the reservoirs at Wilmington, Del.; the water-works at Oxford, Pa.; those at Westchester and Media; those at Wayne, Delaware Co.; at Coatesville, Chester Co.; at Pottstown, Pa.; at Conshohocken, Pa.; at Ashland and Phoenixville, in the same State; at Birdsborough, Pa.; at Doylestown, Pa.; part of those at Norristown, Pa.; those of New Castle and Dover, Del.; at Ithaca and Owego, N. Y.; at Bridgeton, N. J.; at Burlington, N. J.; at Lambertville and Salem, N. J.; and at Swarthmore College, Delaware Co. To this business, in itself extensive and requiring close business application and mechanical insight, he has added the construction of hydraulic machinery and appliances. Mr. Cassin was, on the 10th of October, 1850, married to Emily, daughter of J. Morgan Hunter, of Delaware County, and has children, - Thomas (deceased), Eliza H. (Mrs. M. L. Snyder), Edward (deceased), John, Emily, and Isaac S., Jr.

Mr. Cassin is a recognized authority in the city of his residence on all matters pertaining to the science of mechanics, and has been employed as consulting engineer and expert in various enterprises requiring the services of a skilled mechanical and civil engineer. His reports and communications of this character have been numerous, particularly those relating to hydraulic engineering. He is one of the commissioners for the erection of the public buildings for Philadelphia. He is also a member of the Franklin Institute, and of the Engineers Club. He is in religion a Friend, and a birthright member of the society of Friends, holding his membership with the Race Street Friends' Meeting of Philadelphia.

The Adams family, who are of Welsh extraction, became at an early date settlers in Massachusetts. Thomas Adams, the grandfather of George B., was a resident of Boston, where he pursued an editorial career. His two sons were Thomas and George, the latter of whom was a native of Boston, and both in that city and in Philadelphia extensively engaged in shipping. He married Miss Mary Mayland, daughter of Jacob Mayland, of Philadelphia, and had children, - George B., Mary (Mrs. Thomas H. Dallett), Thomas M., Charles A. (deceased), and two who died in infancy. George B. was born May 20, 1825, and spent his early youth in the city of Philadelphia. He received a liberal education, having been for two years a pupil of Delaware College, Newark, Del., after which his education was completed at Mount St. Mary's College, Emmettsburg, Md. On returning to Philadelphia he engaged in business as an accountant with Messrs. Brown & Brother, an extensive jobbing dry-goods house. This sedentary life not being agreeable to his tastes, at the expiration of the third year he determined to pursue the more active and healthful calling of the agriculturist, and with that object in view, made Delaware County his home in 1845. In 1847 he purchased land in Radnor township, and continued farming until 1864, when, having sold, he located for a brief period in Montgomery County. In 1869, Mr. Adams became the possessor of his present home in Upper Providence, where he leads a retired life amid the pursuits most congenial to him. He married, in 1847, Miss Sarah, daughter of Levi Burdsall, of Medford, N. J., and has children, - Thomas B. (deceased), George E. and Charles C. (engaged in business in Media), and Theodore L. (a graduate of the Hahnemann Medical College, Philadelphia, and practicing his profession in Berwyn, Chester Co., Pa.). Mr. Adams has devoted some attention to studies of a scientific character, and at present fills the position of member of the board of curators of the Delaware County Institute of Science, located at Media, his residence having been the property of the institute, where its sessions were held. Mr. Adams is in politics a Republican, but has declined all proffers of office other than those immediately associated with the township of his residence. In his religious views he embraces the faith of the Universalist Church.