...d. 7 days, 1 week, to. 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 thirty-one. NB In Bissextile, or leap year, February hath 29 days. 13. Circular Motion. 60 seconds (") make 1 minute,....

...November, 30. June, 30. . December, 31. The days in each calendar month will be more easily remembered, by committing to memory the following lines: Thirty days hath September, April, June, and November, All the rest have thirty-one, Except the second month alone, Which hath but twenty-eight...

...days, 1 week, .: tr, 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 h»we thirty -one. NB In bissextile, or leap year, February hafli 29 days. 12. Circular Motion. •...

...month, .<? mp. 13 mos. 1 d. and 6 hours make 1 Julian year. 12 Calendar months make 1 year, " yr. Thirty days hath September, April, June, and November, February...twenty-eight alone, All the rest have thirty-one. Bissextile or leap-year comes once in 4 years, in which February hath 29 days. Note. When a year can...

...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,...

...September, October, November, December, The number of days in each month may be easily remembered from the following lines : "Thirty days hath September,...twenty-eight alone, All the rest have thirty-one; Except in Leap year, then is the time, When February has twenty-nine." 48. How many days in 3 weeks...

...December, (Dec.) twelfth " ' 31 " OBS. The number of days in each month may b» «wily remembered from the following lines : " Thirty days hath September,...February, twenty-eight alone, All the rest have thirty-one ; Except in Leap Year, then is the time, When February has twenty-nine." OBS. Tho names of the calendar...

...divided, with the number of days in each. The number of days in each month may be easily remembered from the following lines : " Thirty days hath September,...February twenty-eight alone, All the rest have thirty-one ; Except in Leap year, then is the time, When February has twenty-nine." 48. How many days in 3 weeks...

..." 31 " 30 31 31 " 30 31 14 30 "31 " The number of days in each'month may be easily remembered from the following lines : " Thirty days hath September,...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,...

...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...