154 Lectures. — Fatenls. 



a vessel containing the butter, and will keep it cool in the hottest 

 weather, and retain their moisture for a day or two. 



Elegant stone pyramids for growing excellent anti-scorbutic 

 salads, require only to be saturated with water. The seed equally 

 distributed in the external grooves, the central hole filled with 

 water, (and the waste daily supplied,) will in eight or ten days 

 produce a fine green crop of very superior quality, which may be 

 eaten clean and fresh from the pyramids placed on the table. — 

 When the crop is plucked from any number of grooves, and the 

 loose seeds brushed off, new may be sown and successive crops 

 obtained. 



To persons on board ship and in warm climates these articles 

 must prove highly useful. They may be had at 4 J 8, Strand. 



LECTURES. 



Mr. Clarke will commence his next Course of Lectures on 

 Midwifery, and the Diseases of Women and Children, on Friday, 

 March 20th. The Lectures are read every Morning from a Quar- 

 ter past Ten to a Quarter past Eleven, for the convenience of 

 Students attending the Hospitals. For particulars apply to Mr. 

 Clarke, 10, Saville-row, Burlington Gardens. 



LIST OF PATENTS FOR NEW INVENTIONS. 



To John Scott, of Pengo-place, in the county of Surrey, esq.» 

 for improvements in steam-boats, and in the machinery for pro- 

 peUing the same. — 23d Jan. 1818. — Allowed 2 months to en- 

 roll. 



To James Ikin, of William-street, in the parish of Christ- 

 church, Surrey, machinist, for his improved method or methods 

 of constructing or manufacturing fire or furnace bars or gratings. 

 — 27th Jan. — 2 months. 



To George Frederick Hagner, late of Philadelphia in the 

 United States, but now of the Adelphi, Middlesex, for certain 

 improvements in the art of manufacturing pigments commonly 

 known by the names of white-lead and verdigris. — 27th Jan. — 



months. 



ToPvudolph Ackermann, of the Strand, print-seller, for certain 

 improvements in axletrees applicable to four-wheeled carriages, 

 communicated to him by George Leukensperger, of Munich in 

 the kingdom of Bavaria. — 27th Jan. — 6 months. 



To William Horner, of Hovvick, Northumberland, for his ma- 

 chine or apparatus for the purpose of acquiring a very high me- 

 chanical power in a small compass and with little friction, and 

 without the possibility of running amain if employed in raising 

 or lowering weights. — 27th Jan. — 6 months. 



To 



