Williams, John, 93 Marvin, 120 Samuel, 26 Temperance, 120 William, 77, 78, 93, 94, 95, 96, 97, 98, 159, 161, 168, 169, 171 Williams College, 26 Willis, Arthur, 4, 5, 6, 159 Wilson, James, 8, 34, 35, 159, 165 Winthrop, John, 26 Wistar, Casper, 53 Wistar, Richard, 53, 159, 162, 166 Witt, Christopher, 62, 159, 163, 167, 168 Wollaston, Rev., 142 Wood, John, 63, 159, 164 Woods, Timothy, 25 Wright, Captain, 58 Yale University, 105, 114, 125, 126 Art Gallery, 106, 107, 153 Streeter Collection of Weights and Measures, 105, 114, 115, 117, 125, 126, 153 Yardley, Thomas, Jr., 60 Youle, James, 53, 76, 159, 163, 169 John, 53, 159, 163, 169 Young, Daniel, 113 Sarah, 113 zenith sector, 114, 145, 146, 147 Transcriber's Notes Clear punctuation errors such as missing periods at the ends of sentences have been silently corrected. Hyphenation has not been standardized, for instance, Elizabeth-town, watch-maker, and over-all. The spelling of proper names has not been standardized, for instance, Blakslee and Blakeslee, Appalachicola and Apalachicola. Figure 7 caption - "make" replaced with "made" Page 38 - "Eliptical" replaced with "Elliptical" Page 38 - "Guaging" replaced with "Gauging" Page 98 - "Samue" replaced with "Samuel" Page 146 - "worth" replaced with "worthy" Page 146 - "Federick" replaced with "Frederick" Page 162 - "Philadephia" replaced with "Philadelphia" Page 162 - "Ephermeris" replaced with "Ephemeris"