Analysis of a course of lectures : on mechanics, hydrostatics, pneumatics, and astronomy / read by James Ferguson.

  • Ferguson, James, 1710-1776.
Date:
1761
Catalogue details

Licence: Public Domain Mark

Credit: Analysis of a course of lectures : on mechanics, hydrostatics, pneumatics, and astronomy / read by James Ferguson. Source: Wellcome Collection.

    26/44 (page 26)
    [26 ] 24* The latitude, the fun’s place, and1 his azh ninth, being given •, to find the hour of the day, and the fun’s altitude. 25. The latitude, the fun’s place, and the houi of the day, being given •, to find the fun’s altitude, and his azimuth. 26. The latitude, the fun’s place, and his alti¬ tude, being given ; to find the variation of the compafs. 27. The latitude, the fun’s altitude, and his azi¬ muth, being given; to find his place in the ecliptic, the day of the month, and the hour of the day : though they had all been loft. 28. To find the length of the longefl day, at an) given place. 29. The length of the longeil day, at any place being given ; to find in what ciimate that place is. 30. To find in what latitude the longefl day if of any given length lefs than 24 hours. 31. The latitude, and day of the month, being given ; to find the hour of the day when the fur ihines. 32. To explain the equation of time. 33. To explain the phenomena of the harveil- moon. 34. To explain the principles of dialing, and tc conflrudl a fun-dial on any plane, for any given la¬ titude. She chief problems which may be folved by the ce- kjlial globe are thefe that fellow, 1. To find the right afcenfion and declination oi the fun, or of any ftar. 2. To find the latitude and longitude of any flar. 3. To reprefent the face of the heavens at an) hour of the night. 4. To find the time, on any given day, whets $ny flar will rife, or be on the meridian, or fet. “V- * .. 5- Tc