Catalogue of Hawkins's museum of useful and mechanical inventions / [John Isaac Hawkins].

  • John Isaac Hawkins
Date:
1810
Catalogue details

Licence: Public Domain Mark

Credit: Catalogue of Hawkins's museum of useful and mechanical inventions / [John Isaac Hawkins]. Source: Wellcome Collection.

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    16: Book Shelves so constructed that in case of fire, a large library may be removed in a few minutes without injuring a book, 16Z. 16s. J. L II. 1799 17. A cheap, durable, and effectual appara¬ tus for filtering water, particularly useful to those who go to sea, 1Z. Is. to 8Z. 8s. J. I. II. 1804 18. Model of a machine to be towed across a river, which will at the same moment, draw on paper to any reduced scale, the exact shape of the bottom, shew ing at one view, the depth of water in every part, together with the width of the river, (unfinished) 2Z. 2s. J. I. II. 1807 19. A double Lever Press, very cheap, and much superior to any in use for various purposes, SI. 3s. J* I. H. 1801 20. An imitation of the pretended Perpetual Motion, that has been exhibited for some months past in London, and the manner of the Fraud exposed, 31. 3s. 21. A model, on a plan very generally ima¬ gined to be eapable of producing perpetual mo¬ tion, 3Z. 3s. 22. A Model on another plan, 2Z. 2s. 23. Model of a Horizontal Windmill, for draining marshes, and various other purposes The Abbe Fleury, 24. Plan for working a Water Wheel by means of tide, as well at high and low water as at other times of tide J. I. II. 1803 25. A contrivance for obtaining great power at the sea side, for working mills, draining marshes, &c. J. I. TI. ISOS 26. A Press for Book-binders, by which they can cut a book on three sides, at once fixing in the Press, 21.2s. J.l. II, 1801