Manchester Memoirs, Vol. lix. (191 5), No. 1£. 7 



Shortly after the issue of the prospectus he informed 



his brother that he intended setting off to London "with 



a view to purchase apparatus ; the number of subscribers 



the first week were upwards of 30, but it would be two or 



three months before the Lectures would begin." Some of 



the more important pieces of apparatus that he purchased 



are in possession of the Literary and Philosophical Society. 



The collection cost about ^200, and was obtained from 



W. & S. Jones, Instrument Makers, of 30 Holborn, London. 



Dalton drew up a special syllabus for the lectures which 



were arranged as shown : — 



No. of Lectures. 



Matter, Motion and Mechanical Principles ... 2 



Hydrostatics 



Pneumatics 



Hydraulic and Pneumatic Instruments 



Electricity and Galvanism 



Magnetism 

 Optics 



Heat \ 



Elements of Bodies and their Composition 

 Mixed elastic Fluids and the Atmosphere 

 The Absorption of Gases by Water, etc. 

 Meteorology 

 Astronomy 



Total 



1 

 2 

 1 



3 

 1 



2 



2 



1 



1 

 1 

 1 



2 



20 



Writing to Jonathan Dalton in May, 1805, ne te ^ s us 

 that the course is about half-finished, and that "a more 

 respectable audience has seldom been had on a similar 

 occasion, and things have gone on very well so far." Dalton 

 evidently intended to detail in his Ledger the financial 

 result, but beyond giving the heading no figures were 

 added. 



