A description of a reflecting level or an artificial horizon for taking altitudes of the celestial bodies, etc., on land by Hadley's Quadrant with some remarks on different levels. With 1 plate.

Míreanna comhchosúla

• On a mechanical method of convering hour-angle and declination into altitude and azimuth, and of solving other problems in spherical trigonometry.
  de réir: Rambaut, A. A.
  Foilsithe / Cruthaithe: (1887)
• Description of an instruments for keeping up artificial respiration. With 2 plates.
  de réir: Furlong, Nicholas
  Foilsithe / Cruthaithe: (1869)
• An account of a new method of illuminating the wires and regulating the position of the transit instrument. With plates.
  de réir: Ussher, Henry Rev
  Foilsithe / Cruthaithe: (1787)
• On the objects, construction, and use of certain new Instruments for self-registration of the passage of earthquake shocks. With 1 plate.
  de réir: Mallet, Robert
  Foilsithe / Cruthaithe: (1839)
• Objects, Construction and use of certain new instruments devised by the author, for registration of the passage of earthquake shooks.
  de réir: Mallet, Robert
  Foilsithe / Cruthaithe: (1845)