GENERAL MONTHLY MEETING. 



Monday^ December 7, 1857. 

 JOHN H. PARKINSON, Esq., V.P., in the Chair. 



The following Gentlemen were duly elected Members of the 

 Society : — 



Mr. Charles William Dunn Florence {Konorary). 



Mr. George Gregson Harley Street, London. 



The following Gentleman was proposed for the Membership of the 

 Society : — 



Mr. Egbert Norman Adelaide, Australia. 



Mr. R. Thomson exhibited and described an apparatus for making 

 Spiral Springs, and demonstrated its use. 



Messrs. Betjeman, of Oxford Street, exliibited an improved Dental 

 Chair, and Dental-Instrument Cabinet. 



Mr. Edwin SeRcombe then read a paper " On the Method of taking 

 Impressiotis of Cases of Cleft Palate.^^ 



It will be unnecessary to preface what I am 

 about to say on the subject of " taking impressions 

 of the mouth" by any remarks to enforce the 

 importance of a correct model as a first step in all 

 cases where an apparatus is to be made for wear- 

 ing in the mouth, either for the purpose of 

 carrying upon it artificial teeth, or of obliterating 

 a fissure in the palate. It must be obvious that, if 

 the model is incorrect, the apparatus made upon 

 it will be incorrect also, and just in proportion to 



