Lectures. — Patents. 2Si 



i)06sible. The mouth of the gauge in the Observatory garden on 

 the Caltonhill is 18 inches above tlie surface of the ground, and 

 338 feet above the level of the sea. The differences in the 

 quantities of rain received by these four gauges arise chiefly, if 

 not entirely, from the tvhid; the stronger the wind, the greater 

 tlie differences, and vice versa. 



LECTURES. 



Dr. Merriman and Dr. Ley will recommence their Lectures 

 ot> Midwiferv and the Diseases of Women and Children at the 

 Middlesex Hospital, on Monday, April 21, at Half-past Ten 

 o'clock. 



Dr. Spurzheim has just given a Course of Lectures on the 

 Physiologv of tlie Bniin to a Class of Medical Students and 

 others in the City of London. 



i 



LIST OF PATENTS FOR NEW INVENTIONS. 



To Vv^lliam Henry Os])orn of Bordeslev, in the parish of Aston, 

 countv of Warwick, for his new method or principle of jiroducing 

 cylinders of various descriptions. — 1st March, 1817. — 6 months. 



To Daniel Wilson of Dublin, for his gas-light apparatus, pro- 

 cesses, and philosophical instruuients. — 1st March.— 6 months. 



To Urbanus Sartoris of VViuchester-street, London, for his 

 improvements in the construction and use of fire-arms, — 11th 

 March. — 6 months. 



.To William Ilaybould of Goswell-street, Middlesex, for his 

 improvement apjilicablo to fire-stoves, grates, and ranges of dif- 

 ferent descriptions. — 1 1th March. — G months. 



To Ludwig Granhohn of Foster-lane, in the city of London, 

 (captain in the royal navy of Sweden), for his new or improved 

 process, mean or means, for preserving vegetable and animal 

 |>roducts — I Itli March. — 6 months. 



To William Tauter of Ilumpton Hill, Bath, for his improve- 

 ment calculated to facilitate rotatory motion, and lessen or re- 

 move friction in wheel -carriages and machinery of different de«- 

 scri])tions. — lith March. — 4 months. 



To Jolin Winter the younger, of the city of Bristol, for his 

 method of joining and combining fiorn and tortoise-shell toge- 

 ther, bv means of heat and pressure, thereby causing the same to 

 adhere the one to the other, in such manner as to have the ap- 

 pearance of .solid tortoiseshell, and with all the strength and elas- 

 ticity of horn, by which he will be enabled to manufacture and 

 vend the several articles of hair-combs, ornamental and other 

 rombs, and snuff-boxes made of those materials, at a cheap rate, 

 and resembling and having the appearance and beauty of real 

 tortoisebhell.— 18th March. — 2 months. 



MKTRURO- 



