Vermont year book . CATALOGUES, BLANKS, Bill Heads, Circulars, Cards, Posters, and all kinds of PLAIN AND FANCY PRINTING, CV^^EXECUTED PROMPTLY ^<3 WALTONS STEAM POWER PKINTING OFFICE, state Street, Montpelier, Vt, (J;^ Orders for work done in the cities.—Emboss- ed, Gilt, Letter-Press and Copper Plate Printing; such as Cards of Address, VVeddinor Cards, Visitingf Cards, &.C., executed in the hig-hest style of the art and at city prices, through one of the most celebrated Printing Establishmhnts. Terms Cash, at reasonable Prices. Address, E. P. WALTON Jr., Montpelier, Vermont. ? . —?---


Vermont year book . CATALOGUES, BLANKS, Bill Heads, Circulars, Cards, Posters, and all kinds of PLAIN AND FANCY PRINTING, CV^^EXECUTED PROMPTLY ^<3 WALTONS STEAM POWER PKINTING OFFICE, state Street, Montpelier, Vt, (J;^ Orders for work done in the cities.—Emboss- ed, Gilt, Letter-Press and Copper Plate Printing; such as Cards of Address, VVeddinor Cards, Visitingf Cards, &.C., executed in the hig-hest style of the art and at city prices, through one of the most celebrated Printing Establishmhnts. Terms Cash, at reasonable Prices. Address, E. P. WALTON Jr., Montpelier, Vermont. ? . —?--- -———- No. • • XXXVII~i _ ! 2_ ! . i wALTOje? •?. ?VERMONT REGISTER. fn .AND •^ , * . ALMANAC 1 8 3fi;: Calculated for the meridian of Montpolier, lat. 41 17 X., long. 4 25E. from the Capitol at Washington. ASTRONOMICAL OALCULATIOyS BT ZADOCK THOMPSON, A. M. MONTPELIER: Published and printed by E. IV Walton & Son. jALMANAC, V o) -z) ^^\ 8| 9|I0 V s I22j23|24s^!*? ,29,30131. 29130 f-. i Explaiialioiis of tlic Astroiioniicai Bepartmeut. Py due attention to the following explanations, all the Astronomical (^alculaiions in this work will bw reiidily is regarded either -s mean or appaient. A viean dny is the average ]t-iiglh of ihe days in the year, and con- :sists of 24 hours, as measured by a clock which runs unifonuly. and I wliich measures 3G5 times *24 hours in 3<.5 natural days. I I An apparent day is tlie time from tjie suns leaving the meridian on :I one day, till lis arrival on the meridian on the nest day: and ihis !time is not always the same, being sometimes more and someliioea ;: less than 24 hours. | i Mean time, tlun, is that shown by a \^ ell regulated clock ; and ap- \I parent time is that shown by a correct sun-dial ; the ditlerenco be- ij tween these is called the egautiun of time. j The equaion of time depends upon two causes, the obliquity of the ; ecliptic to the equator, and the eccentiicity of the eaiths orbit; Ij


Size: 1152px × 2168px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1810, bookidvermontyearb, bookyear1818