id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
39141	Bedini, Silvio A.	Early American Scientific Instruments and Their Makers			.txt	text/plain	46677	3694	70	instrument makers lived and worked in the New England colonies as early instrument makers of Boston of the 18th century, mentioned later in this recognition as a maker of clocks and surveying instruments (see fig. In New York City, one of the earliest immigrant instrument makers was John Potter of Brookfield, Massachusetts, produced surveying instruments There were relatively few makers of mathematical instruments in New York other clocks, surveying compasses, and other instruments for the retail Most common of these mathematical instruments is the surveying compass, wood for making some mathematical instruments in New England resulted [Illustration: Figure 33.--Wooden surveying instrument, maker not known. Joseph Halsy, Boston, New England." The instrument, made of maple, is 11 [Illustration: Figure 42.--Brass surveying compass made by Thomas [Illustration: Figure 78.--Brass surveying compass made by Benjamin [Illustration: Figure 78.--Brass surveying compass made by Benjamin Halsy, James, II (1695-1767), Boston; also made surveying instruments.	./cache/39141.txt	./txt/39141.txt