A TABLE OF THE Equation of Days, SHEWING How much a good Pendulum Watch ought to be faster or slower than a true Sun-Dial, every Day in the Year.

Days.Januar.Februa.MarchApril.May.June.July.Aug.Sept.Octob.Nov.Dec.
Mi. Sec.Mi. Sec.M. Sec.M. Sec.M. Sec.M. Sec.M. Sec.M. Sec.Mi. Sec.Mi. Sec.Mi. Sec.M. Sec.
18Watch too fast.5214Watch too fast.4610Watch too fast.080W. too f.*464Watch too slow.121W. too slow.*024Watch too fast.524Watch too fast.*423Watch too slow.4013Watch too slow.1515Watch too slow.295Watch too slow.*53
2914144595103041404945943240013281521525
3936144393401441403650642142113421512457
495814409170*W. too slow.0141402451341144213551502427
51019143690001741401252040050314081451357
6103814328420324130*Watch too fast.0152734852414201440328
71058142782404641201453333654514321427259
81117142180610041002753732360614431414230
91135141474711440804054131062614531400200
101152140772812840505354425664715031346129
111209140070914040210754824270815121330059
121226135265015235812055122772815211313028
1312401343632204354133554212749152912560*Watch too fast.02
141253133361321634814655515680915361238032
151306132355422734315855614082915421218102
161318131253623733721155612384915481159132
171330130151724733022355610790915531139201
181342124945825732323655505092915571118231
191351123643830631524955403394916001056300
2013591223419315307301552015100816021034329
21140812104013232593125500*Watch too slow.03102616041011357
221416115634233025132354702210441605948425
231423114232333724333454304111021605924453
241429112830534323334553910011201605859520
251433111324634922235553411911371604834548
261437105722835421040652813811541601808615
271441104121135815841652215812111558742641
281444102515340214642551521812281554714707
291445  13640613443450723912441549647733
301446  11940812444345925913001543620758
311446  102  113  451319  1536  822

SET the Watch so much faster or slower than the time by the Sun, according to the Table for the Day of the Month, when you set it; and if the Watch go true, the difference of it from the Sun any Day afterward will be the same with the Table.

LONDON, Printed for Tho. Tompion, Clockmaker, at the Three Crowns in Fleet-street, at Water-lane end. 1683.

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