 | James H. Porter - Arithmetic - 1845 - 254 pages
...7 days, . 1 week, w. 4 weeks, 1 month, mo. 13 months, 1 day and 6 hours, 1 Julian year, yr. Thirty days hath September, April, June and November ; February twenty-eight alone, all the rest have thirtyone. NB In Bissextile, or leap year, February hath 29 days. 13. Circular Motion. 60 seconds (") make 1 minute,... | |
 | James Bates Thomson - Arithmetic - 1846 - 354 pages
...names of the 12 calendar months into which the civil year is divided, with the number of days in each. The number of days in each month may be easily remembered...days in 3 weeks ? In 4 wks. ? In 5 wks.? In 7 wks. ? In 9 wks.? 49. How many weeks in 14 days ? In 21 days ? In 32 days ? In 35 days ? Iy 40 days ? CIRCULAR... | |
 | James Bates Thomson - Arithmetic - 1846 - 128 pages
...eleventh " 30 " December, (Dec.) twelfth " ' 31 " OBS. The number of days in each month may b» «wily remembered from the following lines : " Thirty days...then is the time, When February has twenty-nine." OBS. Tho names of the calendar months were borrow»rt from the Romans, and most of them had a fanciful... | |
 | James Bates Thomson - Arithmetic - 1846 - 402 pages
...names of the 12 calendar months into which the civil year is divided, with the number of days in each. The number of days in each month may be easily remembered...hath September, April, June, and November ; February twenty -eight alone, All the rest have thirty-one ; Except in Leap year, then is the time, When February... | |
 | James Bates Thomson - Arithmetic - 1846 - 108 pages
...month. ha» 31 days "28 31 " 30 " 31 " 30 31 31 " 30 31 14 30 "31 " The number of days in each'month may be easily remembered from the following lines...November ; February, twenty-eight alone. . All the rot have thirty -one ; Except in Leap year, then u the time, When February hat twunty-ujuu." . January,... | |
 | James Bates Thomson - Arithmetic - 1846 - 112 pages
...year is divided ; -with the number of days in each : month, has 31 28 31 30 31 30 31 31 30 31 30 days The number of days in each month may be easily remembered from the following lines : January, February, March. April, May, June, July, August September, October, November, December,... | |
 | Almon Ticknor - Arithmetic - 1846 - 274 pages
...equator=1035 miles per hour. The earth moves in its orbit 68249 miles per hour— 1637965.6 per day. " Thirty days hath September, April, June, and November ; February...twenty-eight alone ; All the rest have thirty-one." NB — In bissextile, or leap-year, February has 29 days. Note. — To know when it is leap-year, divide... | |
 | James Bates Thomson - Arithmetic - 1847 - 426 pages
...October, November, December, month, lias 31 days. 28 " 31 " 30 " 3 1 " 30 " 31 " 31 " 30 " 31 " 30 « 31 " The number of days in each month may be easily remembered...then is the time, When February has twenty-nine." OBS. 1. A Solar year is the exact time in which the earth revolves rouml the sun, and contains 365... | |
 | James Bates Thomson - Arithmetic - 1847 - 432 pages
...(Oct.) " tenth " " 31 " November, " (Nov.) " eleventh " " 30 " December, " (Dec.) " twelfth " " 31 " The number of days in each month may be easily remembered...then is the time, When February has twenty-nine." OBS. 1. A Solar year is the exact time in which the earth revolves rounil the sun, and contains 365... | |
 | James Bates Thomson - Arithmetic - 1847 - 434 pages
...(Dec.) « ^^/t « « 31 " The number of days m each month may be easily remembered from the foillowing lines : " Thirty days hath September, April, June,...in Leap year, then is the time, When February has twenty- nine.33 OBS. 1. A Solar year is the exact time in which the earth revolves round the sun, and... | |
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Thirty days hath September, April, June, and November ; February twenty-eight alone, All the rest have thirty-one ; Except in Leap year, then is the time, When February has twenty-nine. 
