This Day is published, 



EXPERIMENTS ON THE RESISTANCE WHICH BODIES 

 experience when propdled in a straight Line tlirough Water, made 



By F, H. DE CHAPMAN^ 



Admiral and Supeiintondaat of tbz Royal Dock Yards of Sweden, Sec. &c. 



and Member of scvend learned Societies. 



Translated and printed for Cnptuin Lewis Granholm, R.S.N. 



Stereotyped by Davis and Co. Poppin's Ccu^t, Fleet-Street ; and sold 

 by John Murray, Bookseller to the Admiralty and Board of Longitude, 

 Albenlaric Street ; and by Black, Parbury, and^ Allen, Booksellers to the 

 Honourable East India Company, Leadcnhall Street. 



ENGRAVINGS, 



Jk 

 Vol. XL. A Plate to Illustrate the Foundation of Mr. William Jones's 

 temporary Corn Rick. ^-Mr. Stephens's Method of dividing Bricks. — . 

 Section of Mr. William Jones's temporary Corn Rick, — Mr. Waistell's 

 Improvement on the Acorn;Dibble. — A Plate to illustrate Mr. Tawnby's 

 New Thrashing Machine. — Two Octavo Plates descriptive of a New Ma- 

 chine for Pumping Water. — Two I'lates descriptive of the Muscular Mc> 

 tion of Snakes. — Figures to illustrate such Portions of a Sphere as hae 

 their Attraction expressed by an algebraic Quantity. — V.vv Helmon/s 

 DifierentialThermometer. — Formation of Ovals for Gardeners.— Chavassji's 

 lir^arine Transit. — A Plate to illustrate Mr. Brouie's Experiment- on 

 Ae Influence of the Brain on the Generation of Animal Heat. 



Vol. XLI. Pepys's Mercurial Voltaic Conductor. — Leslie's lif- 

 ferential Thermometer.— Diagrams fo illustrate Dp. Wollaston's Pq-i- 

 scopic Camera Obscura and Microscope. — Count Romford's improved 

 Coffee-pots. — Mr. Goss's Instrum.ent to work Addition of Nurabe-s 

 with Accuracy and Dispatch. — Mr. Davis's hanging Scaffold; ani 

 Mr. Martin's Method of relieving a Horse from a Cart when fallcx 

 down in its Shafts. — A Qnarto Plate to illusti-ate Mr. ,T. Hicks's Ac 

 count of the Situation and Mcai^s oi* raising the Royal George. — A Plate 

 to illustrate Mr. Southern's Essay on the Equilibrium of a Combination 

 of Beams, Blocks, &c. and on the Polygon of Forces. — A Plate to illustrate 

 Mr. Steevens's Accovjat of a li^leteor seen at London and other Places in 

 March last.— A Plate to illustrat»Mr. Machell's Annular Saw- 



Vol. XLIl. A Plate, containing ProfeSkir Lespib'^ Atmomctcr, and 

 Figures to illustrate Dr. Wollaston's Paper on the elementary Pirficles 

 of certain Crystals. — A Sketch of that Part of the Island of Java which 

 contains the natural Lake of Sulphuric Acid. — Interior of Volcano in the 

 Inland of Java^ and Figures to illustrate Mr. Walker's Paper on the Elec- 

 tric Fluid. — A Plate to illustrate M. Link's Meinoir on the Anatomy of 

 Plants, and Dr. Wollaston's Cryophorus. — A third Plate to illustiatc 

 M. Link's Memoir oh the Anatomy of Plants". — Mr. T. Jones's Sccto- 

 graph, — a new Instnimerit for dividing right Lines into equal PartJj mca9ur» 

 ing Angles, and insciibing Polygons in the Circle, &c. 



