 | Henry Francis Harrington - Spellers - 1880 - 208 pages
...). 12 ounces = 1 pound (Ib.). 480 grains = 1 ounce. 6760 grains = 1 pound. Time. 60 seconds (sec.) = 1 minute (min.). 60 minutes = 1 hour (hr.). 24 hours = 1 day (da.). 7 days = 1 week (wk.). 62 weeks = 1 vear (yr.). 30 or 81 days = 1 month (mo.). 12 months = 1... | |
 | George Albert Wentworth - Arithmetic - 1886 - 392 pages
...avoirdupois is an ounce troy or an ounce apothecaries' weight? UNITS OF TIME. 175i 60 seconds (sec.) = 1 minute (min.). 60 minutes = 1 hour (hr.). 24 hours -= 1 day (dy.). 7 days = 1 week (wk.). 365 days (or 52 wks. 1 dy.) = 1 common year (yr.). 366 days = 1 leap-year.... | |
 | George Albert Wentworth, George Anthony Hill - Arithmetic - 1887 - 448 pages
...drams = 1 ounce (5). 3 scruples = 1 dram ( 3 )• 12 ounces = 1 pound. VI. TIME. 60 seconds (sec.) = 1 minute (min.). 60 minutes = 1 hour (hr.). 24 hours = 1 day (dy.). 7 days = 1 week (wk.). 365 days — 1 common year (yr.). 366 days = 1 leap-year. The day of... | |
 | Charles Scott Venable - Arithmetic - 1888 - 242 pages
...eagles equal how many cents ? 5 eagles ? 372. Reduce the following : 373. 60 seconds (sec.) make ... 1 minute, . . min. 60 minutes " ... 1 hour, . . . hr. 24 hours " ... 1 day, ... da. 7 days " ... 1 week, . . wk. 865 days " ... 1 year, . . yr. Every fourth year is called a leap... | |
 | George Albert Wentworth - 1888 - 388 pages
...lbs. avoirdupois to troy weight. 8. 745 lbs. troy to avoirdupois weight. 301. TlME60 seconds (sec.) = 1 minute (min.). 60 minutes = 1 hour (hr.). 24 hours = 1 day (dy.). 7 days = 1 week (wk). 365 days (or 52 wks. 1 dy.) = 1 common-year (yr.). 366 days = 1 leap-year.... | |
 | James William Nicholson - Arithmetic - 1889 - 408 pages
...( ) oz. MEASURES OF TIME. 254. Time is a limited portion of duration. TABLE. CO seconds (sec.) make 1 minute (min.) 60 minutes " 1 hour (hr.) 24 hours " 1 DAY (da.) 7 days " 1 week (wk.) 4 weeks " 1 month (mo.) 305 days " 1 common year (yr. ) 36C days " 1 leap... | |
 | Caton's national business college, Buffalo, N.Y. - 1889 - 330 pages
...reams = 1 bundle (bdl.) ; 5 bundles = 1 bale (bl.). MEASURE OF TIME. 172. Scale: 60 seconds (sec.) = 1 minute (min.) ; 60 minutes = 1 hour (hr.) ; 24 hours = 1 day (da.) ; 365 days = 1 common year (yr.) ; 366 days = 1 leap year (yr.). Also, 7 days = 1 week (wk.)... | |
 | Charles Austin Hobbs - Arithmetic - 1889 - 366 pages
...determined by the revolution of the earth on its axis and around the sun. TABLE. 60 seconds (sec.) = 1 minute (min.). 60 minutes = 1 hour (hr.). 24 hours =1 day (da.). 7 days = 1 week (wk.). 365 days =1 year (yr.). 366 days = 1 leap year. 100 years = 1 century.... | |
 | Warren H. Sadler, William Russell Will - Business mathematics - 1890 - 312 pages
...reams = 1 bundle (bdl.); 5 bundles = 1 bale (bl.). MEASURE OF TIME. 172. Scale: 60 seconds (sec.) = 1 minute (min.); 60 minutes = 1 hour (hr.); 24 hours == 1 day (da.); 365 days = 1 common year (yr.); 366 days = 1 leap year (yr.). Also, 7 days = 1 week (wk.); 12... | |
 | John Edward King - Business mathematics - 1891 - 254 pages
...years, and when centennial years are divisible by 400 they are leap years. TABLE. 60 seconds (sec.) = 1 minute (min.). 60 minutes = 1 hour ( hr.). 24 hours = 1 day ( da.). 365 days = 1 common year (yr.). 100 years = 1 century ( C.). COMMERCIAL. TABLE. 30 days = 1... | |
| |
Time. 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24... 
