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An account of some experiments upon a machine for measuring the way of a ship at sea / [John Smeaton].
Smeaton, John, 1724-1792.Date: 1754
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Voyage fait par ordre du roi en 1771 et 1772, en diverses parties de l'Europe, de l'Afrique et de l'Amérique; pour vérifier l'utilité de plusieurs méthodes et instrumens, servant à déterminer la latitude et la longitude tant du vaisseau que des côtes, isles & écueils qu'on reconnoît: suivi de recherches pour rectifier les cartes hydrographiques / Par M.rs de Verdun de al Crenne ... le chevalier de Borda ... et Pingré.
Verdun de la Crenne, Jean René-Antoine, marquis de, 1741-1805.Date: [1778]- Books
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An explanation of a new construction and improvement of the sea octant and sextant, containing, A most easy, expeditious and accurate Method of adjusting and rectifying those Instruments for Use both at Sea and Land. Also the best Disposition of the Glasses; with Directions for making the Fore and Back Observations; and the several Steps in the Process of finding the Longitude at Sea. Illustrated by four Copper-Plates. By B. Martin.
Martin, Benjamin, 1705-1782.Date: [1775?]
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An episode in Dombey and son by Charles Dickens: the interior of "The wooden midshipman", a shop in the City of London for navigational instruments; a boy ("Rob the Grinder") is conversing with a pugilist known as "The Game Chicken". Etching by Phiz (Hablot K. Browne).
Browne, Hablot Knight, 1815-1882.Date: [1847]Reference: 29536i- Books
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Description, use, and method of adjusting Hadley's quadrant and sextant. By George Adams, Mathematical instrument maker to His Majesty, and optician to His Royal Highness the Prince of Wales.
Adams, George, 1750-1795.Date: M.DCC.LXXXIX. [1789]