The Description, Use, and Excellency of a New Instrument, Or Sea Quadrant, Invented by Caleb Smith, for Taking Altitudes of the Sun, Moon, and Stars, from the Visible Horizon (as Well as Any Other Angular Distances at Land Or Sea) Without Pediment Or Interruption from the Ship's Motion ; Whereby the Latitude at Sea May be Obtained with Greater Certainty ... to which is Added, an Essay to Make this Quadrant Serviceable ... when There is No Horizon to be Seen. As Also ... for Discovering the Variation of the Magnetic Needle ... Without Any Astronomical Calculation
The Description, Use, and Excellency of a New Instrument, Or Sea Quadrant, Invented by Caleb Smith, for Taking Altitudes of the Sun, Moon, and Stars, from the Visible Horizon ... Without Impediment ... from the Ship's Motion;
A Brief Description of a New Instrument, Invented by Mr. Caleb Smith, for Taking Altitudes of the Sun, Moon, and Stars, from the Visible Horizon ; Or Any Other Angles at Sea
The Description, Use and Excellency of a New Instrument, Or Sea Quadrant, Invented by Caleb Smith, for Taking Altitudes of the Sun ... (... at Land Or Sea) ... to which is Added, an Essay to Make this Quadrant Serviceable ... when There is No Horizon to be Seen: as Also ... for Discovering the Variation of the Magnetic Needle ... Without Any Astronomical Calculation
A Brief Description of a New Instrument, Invented by Mr. Caleb Smith, for Taking Altitudes of the Sun, Moon, and Stars, from the Visible Horizon; Or Any Other Angles at Sea
The Description, Use and Excellency of a New Instrument, Or Sea Quadrant, Invented by Caleb Smith, for Taking Altitudes of the Sun, Moon and Stars ... to which is Added an Essay to Make this Quadrant Serviceable at Sea ...
A Brief Account of the Life of the Late Rev. Caleb Smith, A.M. Minister of the Gospel, at Newark Mountains
The Description, Use, and Excellency of a New Instrument, Or Sea Quadrant, Invented by Caleb Smith, for Taking Altitudes of the Sun, Moon, and Stars, from the Visible Horizon (as Well as Any Other Angular Distances at Land Or Sea) Without Impediment Or Interruption from the Ship's Motion
The Description ... of a New Sea Quadrant, Invented by Caleb Smith, to which is Added an Essay to Make this Quadrant Serviceable at Sea, Etc