Sign of "Hadley's Quadrant," At the, 66, 76 Sign of the Hand & Beam, At the, 38, 76 Sign of the Mathematical Instruments, At the, 43 Sign of the Quadrant, At the, 30, 45, 76, 107 Sign of the Seven Stars, At the, 62, 76 Sission, Jonathan, 27 Skillin, John, 77, 78, 79 Simeon, 39, 41, 78 Sloane, Sir Hans, 58 Smart, C. E., ix, 118 Smith, Cordial, 159, 160 Society for the Promotion of Useful Arts of Albany, 21 Solebury, 19 Sommer, Widow Balthaser, 28, 159, 163, 169 South Natick Historical Society, 104, 153 Sower, Christopher, 63, 159, 163, 164, 167, 168 Stargazers' Stone, 24 Steele, A.P., 60, 61 Stevenson, D. Alan, 115 Stiles & Storrs [Nathan Storrs and Jedidiah Baldwin], 123, 159, 162, 171 Stiles & Baldwin [Jedidiah Baldwin], 123, 159, 162, 171 Stimpson, Charles Jr., 99 Stoddard, Sarah, 86 Stone, Edmund, 10 Storrs, Nathan, 123 Streeter Collection of Weights and Measures [Yale University], 105, 114, 115, 117, 125, 126, 153 Stretch, Carolyn Wood, 63 Struik, Dirk J., 26 Stubbs, Roleigh L. 72, 153 sundial, 4, 38, 49, 54, 149 surgical instruments, 31, 47, 51, 53, 54 Sutton, Henry, 4 Swan, Joseph, 139 Symes, Jno. C., 60 Taws, Charles, 61, 159, 164, 168 Taylor, E. G. R., 67 telescope, 11, 21, 40, 45, 54, 60, 62, 64, 136, 137, 148, 149, 150 Terry, Eli, 117 Thacher, Charles, 107, 108, 153, 159, 161, 171 Thaxter, Bathsheba, 97 Samuel, 69, 75, 76, 77, 78, 79, 97, 98, 99, 101, 102, 104, 154, 159, 161, 168, 169, 171 Samuel, Sr., 98 Thomas, 98 Thaxter & Son, S., 103 theodolite, 38, 52, 64, 137, 138 thermometer, 28, 29, 33 Thomas, Richard, 22 Thompson, George Andrews, 148 Samuel Rowland, 148 "Thwing Catalogue," 80, 82, 84, 86, 94, 96, 109 Todd, Eli, 49 Towle, Jeremiah, 129 trade cards, 46, 100 trade signs, 30, 38, 43, 45, 53, 62, 66, 75, 76, 77, 78, 79, 96, 99, 101, 107 (see also under Sign) transit of Venus, 11, 15, 16, 21, 22, 24, 59 Turner, Charles Jr., 146 Tyler, Thomas, 105 Union College, 26 United States National Archives, 116 United States National Museum, 15, 57, 62, 90, 91, 134, 139, 140, 144, 149 Van Ness, Cornelius P., 146 Vassar College, 40 Voight, Henry, 62, 64, 148, 159, 164, 165, 167 Wall, George, Jr., 63, 159, 163, 171 Wallis, Thomas, 109 Walpole, Charles, 28, 159, 163, 168 Walton, Joseph, 125 Warren, Benjamin, 75, 112, 114, 115, 116, 154, 159, 162, 169, 171 William L., 6 Washington, George, iv, 19, 54, 62, 63, 142, 144, 145, 149, 150, 151 Lawrence Augustine, 54, 57 weather glass, 33 Welles, Arnold, 94 Wienberger, Bernard W., 38 Wheelock, Rev. Eleazar, 70, 72 Whipple Museum, 150 White, John, 85 Peregrine, 47, 48, 150, 159, 160, 167, 171 Whiting, Alfred F., 126 Whitney, John, 30, 159, 164, 168, 169 Thomas, 30, 152, 159, 168, 169, 171 William & Mary College, 150