TO CORRESPONDENTS. 



The Editor will with great pleasure receive and publish the Tables of 

 the planet Venus, offered by A2TP0OU02. The negative Equations had 

 better be altered in form, as he has suggested. 



Mr. Yeates in Continuation on the Lunar Period is unavoidably de- 

 ferred till next Month J as is also a valuable Correspondence an Mr. 

 BoNNYCASTLt's Disscitation on the Influence of Masses of Iron on the 

 Mariner's Compass. 



CITY PNEUMATIC INSTITUTION, No. 29, Old Jewry, near t 

 Bank, for the Administration and Sale of the difi'erent Factitio' 

 Airs, or Gases, used as Medicine, by R, F. Janson, Paeumai 

 Chemist, Cupper and Electrician. 



THE Oxygen, or Vital- Air, is carefully packed in Hampers, for cc 

 veyance to all parts of the world, at 4,s. per dozen, bottles warrant 

 perfect ; and all the other Gases, at moderate prices. The apparatus i 

 inhaling the same, at is. 6cl. per week, or for purchase, at 3/. 13j- ( 

 No charge for the conveyance of the Gases to Patients in London, Abe 

 one hundred Cures by the Pneumatic. Practice may be seen in a w^ 

 called The Tru't Practice of Physic, sold by Sherwood, Neely, and Jon 

 Paternoster Row. These Gases were firs^ introduced by Dr. Beddo 

 and Dr. Thornton, of Broad-street, City, who patronizes the above 

 stitution. Country orders, with Towp references, ai^d letters post pa 

 carefully attended to.. 



1. The Oxygen of Vital Air or Oxygen Gas, which is the pui 

 part of the Atmosphere, extracted from the Air by Chemistry, is foi 

 to enter>into the Blood, and promote a general beneficial action, incre 

 ing the Circulation, tlie Vilal Heat, the Digtstian, and all the Powers 

 Life i aiding the operation of Medicine, and often curing like medici 

 Waters, without the co-operation of any Medicine. It is found hig 

 beneficial in all cases of Debility, and strengthens all the Functions : 

 Organs of Life. It aids the ' Vis Medicatrix Natitra* 



2. The Hydrogen Gas, the Hydrocarbpnate, and the Hyd 

 AZOTE, are on the contrary used to lower the high actions going on in 

 frame, where her efforts exhaust the constitution, and has cured all 

 flammatory Actions, Asthma, and even Consumption itself. 



CATON on INDIGESTION, SCROFULA, ERUPTIVE 

 DISEASES • of the FACE and SKIN, &c. 



A 



This Day is published 



TREATISE on INDIGESTION, being an Inquiry Into the '. 



cases arising and connected with the. Functions of the St;om: 



with Remarks on the Liver, and its Influence on the Gastric System 

 which are prefixed some general Observations on Scrofulous and 

 taneous DLsea,ses, interspersed with select Prescriptions. Price 3s. 



By T. M. CATON, Surgeon, ^ 



No. 10, Stanliope-Street, NewcastlcStreet, Strand, late of the ii( 

 Hospitals of St, Thomas's and Guy's. 

 POPULAR REMARKS, Medical and Literary, on Nekv 

 Hypochondriac and Hysterical Diseases;, to which are pr 

 OBSERVATIONS OH DisEASEs of the MiND, &c. Price 3s. 6d. 



Printed for Sherwood and Co., 20, Paternoster- Row ; and N 



78, Lombard- street; and C. Cbapple, 66, Pall Mall, London ; where 



^^^^bc had. Caton oil F£mai.e Diskasf.s. Price 3s. 6J. 



