List of Scottish Patents. 439 



18. To Heneick Zander of North Street, Sloane Street, in the county 

 of Middlesex, gentleman, for an invention of " improvements in steam- 

 engines, steam-boilers, and condensers." — 22d July 1839. 



19. To John Evans of Birmingham, in the county of Warwick, paper 

 manufacturer, for an invention of '•' improvements in the manufacture of 

 paper."— 23d July 1839. 



20. To John Alexander ElzearDegrand of the Boulevard du Temple, 

 in the city of Paris, but now of Covent-Garden, in the county of Middlesex, 

 for an invention of " improvements in the production of motive power, and 

 in machinery for applying the same to useful pui-poses." — 23d July 1839. 



21. To Edward Francois Joseph Duclos, late of Samson, in the king- 

 dom of Belgium, but now of Leicester Place, Leicester Square, in the county 

 of Middlesex, gentleman, for an invention of " improvements in the manu- 

 facture of zinc, copper, tin, and antimony." — 23d July 1839. 



22. To Charles de Lavelete of King's Head Court, Shoe Lane, in the 

 city of London, engineer, in consequence of a communication from a certain 

 foreigner residing abroad, for an invention of " improvements in the manu- 

 facture of bricks."— 23d July 1839. 



23. To Theodore Cotelle of the Haymarket, in the county of Middle- 

 sex, civil-engineer, for an invention of " improvements in extracting salt 

 from sea or salt water, and rendering it pure and drinkable, and in purifying 

 other waters."— 23d July 1839. 



24. To William Newton of the office for patents, 66 Chancery Lane, in 

 the county of ^liddlesex, civil-engineer, in consequence of a communica- 

 tion from a foreigner residing abroad, for an invention of " certain im- 

 provements in engines to be worked by air or other gases." — 31st July 

 1839. 



25. To Robert Griffiths of Smethwick, in the county of StafPord, for an 

 invention of " certain improvements in the construction of presses, which 

 improvements are also applicable to the raising of weights.'' — 1st August 

 1839. 



26. To Joseph Jennin3S of Bisson Bridge, in the parish of Ker, in the 

 county of Cornwall, assay master, for an invention of " a process for ob- 

 taining metal from pyrites or mundic." — 1st August 1839. 



27. To Christopher Binks, residing in Middlebie Street, Newington, near 

 Edinburgh, for an invention of " certain improvements in obtaining or ma- 

 nufacturing chlorine, and certain compounds of clilorine, ajiplicable in 

 bleaching."— 2d August 1839. 



28. To David Stead of Great Winchester Street, in tlio city of London, 

 merchant, partly a communication from a foreigner, and partly his own dis- 

 covery, for an invention of " an improved mode or metliod of making or 

 paving public streets and highways, and public and private roads, baths, 

 courts, and bridges, with timber, or wooden blocks." — O'th August 1839. 



29. To John Georoe Shuttleworth of the Mount, near Slieffield, in 

 the county of York, soap-boiler, for an invention of " a new mode of ob- 

 taining a rotary motion from the rectilinear motion of tlio piston-rod of a 

 steam, or other the like engine." — 8th August 1839. 



30. To Geohoe IIolwokthy Palmer of Surrey Square, Old Kent Road 

 in the county of Surrey, civil engineer, for an invention of " certain im- 

 provements in paddle wheels for propelling sliips, boats, or other vessels 

 navigated by steam or other motive power."- — 16th August 1839. 



31. To John Rostron of Edenheld, in the county of Lancaster, cotton 



