Beyond the introduction of the spider line it is unnecessary to mention the various steps by which the Gascoigne micrometer assumed the modern forms now in use, or to describe in detail the suggestions of Hooke, 4 Wren, Smeaton, Cassini, Bradley, Maskelyne, Herschel, Arago, Pearson, Bessel, Struve, Dawes, &c., or the successive productions of the great artists Ramsden, Troughton, Fraunhofer, Ertel, Simms, Cooke, Grubb, Clarke and Repsold.
2 Dawes (Monthly Notices, January 1858, and Mem.
Under the Dawes Allotment Act of February 1887, and a special statute of March 1889, an agreement was made with some Indians, and about 11,000,000 acres, or about half of the reserve, was thrown open to settlement on the 10th of February 1890.
Dawes as United States Senator from Massachusetts in 1893; and in 1899 and in 1905 was re-elected to the Senate, where he became one of the most prominent of the Republican leaders, and an influential supporter of President Roosevelt.
Dawes died at Pittsfield, Mass., on the 5th of February 1903.