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Title: H. Ewington's universal chronometer or perpetual almanac explained
Identifier(s): text:366; APSimg6504; Goodman Number: 300; 973 C683 No. 172
Description: Paper instrument composed of movable discs for determining the time of sunrise and sunset, length of day and night, and other periodic phenomena.
Creator: Ewington, Harry
Source: Broadsides Collection (973 C683);
Subject: Broadsides ; Broadside Class: Science; Broadside Division: Scientific Instruments; Broadside Subdivision: ; Clocks & watches; Almanacs; Meteorological instruments
Date: n.d.

Title: A new astronomical instrument. Shewing the day of the month, change and age of the moon, the places of the sun and moon in the ecliptic, with the times of the rising, southing and setting of the sun, moon, and stars of the first, second, and third magnitude, from A.D. 1756 to 1805 inclusive
Identifier(s): text:1756; APSimg6705; Goodman Number: 301; 973 C683 No. 440
Description: Paper astronomical instrument composed of moveable concentric circles imprinted with various scales for ascertaining the day of the month, change and age of the moon, the places of the sun and moon in the ecliptic, etc. Illustrated: outlines of the various constellations contained in the innermost circle.
Creator: Ferguson, James, 1710-1776
Source: Broadsides Collection (973 C683);
Subject: Broadsides ; Broadside Class: Science; Broadside Division: Scientific Instruments; Broadside Subdivision: ; Astronomical instruments; Stargazing; Almanacs
Date: 1757