4G5 
PROVINCIAL TRANSACTIONS. 
LIVERPOOL CHEMISTS’ ASSOCIATION. 
The Liverpool Chemists’ Association, in pursuance of its objects, and according to its 
usual custom of affording to its members and their friends a treat of combined intellec¬ 
tual and social enjoyment, held a conversazione at the Royal Institution, Colquett Street, 
on Thursday evening, February 2; and judging by the large and fashionable attend¬ 
ance, it was one of the most successful that has hitherto taken place. 
The entire suite of rooms of the above spacious building was thrown open on the 
occasion, together with the Gallery of Art and the Museums of Natural History, Geo¬ 
logy, Applied Science, and the very interesting one belonging to the Chemists’ Associa¬ 
tion. Several objects of interest, including illustrations of recent improvements in 
photography, and in several arts and manufactures, mechanical devices, etc., were, 
by the zealous efforts of the Council of the Association, placed in several of the museums 
for the inspection of the company; and some vases of rare ferns and other plants dis¬ 
posed in the halls and staircases, gave a freshness to the display that added considerably 
to the effect. 
At half-past six the doors of the Institution were thrown open, and in a very short 
time, despite the trying state of the weather, over three hundred ladies and gentlemen 
arrived. They were soon promenading through the various galleries and museums, in¬ 
specting the novelties, which, in addition to the very large and well-arranged collections 
of the Institution, wefe brought there for th# occasion. The large series of photographs, 
by J. B. Cros, Esq., the automatic female Blondin, by Messrs. Freisch and Co., and 
various beautiful stereoscopes, by Messrs. Chadburn and Abraham and Co., attracted the 
attention of one section of the company; the models of ships, of a floating graving- 
dock, and of machinery illustrative of improvements in connection with shipping in¬ 
terests—the great characteristic interest of Liverpool—by Captain Walker, that of an¬ 
other section; whilst the microscopic exhibitions superintended by Messrs. J. Abraham, 
T. F. Abraham, T. J. Moore, and W. J. Baker, were closely attended by others, and 
many were not unwilling to dwell upon the models of the antediluvian Saurians lent 
by the curator of the Derby Museum, T. J. Moore, Esq. 
At half-past seven the company assembled in the large theatre of the Institution, 
when the President of the Association, A. Bedford, Esq., took the chair, and addressed a 
few words to the meeting, expressive of his welcome to them, and of congratulations on 
behalf of the Association for the large and brilliant assemblage before him. He trusted 
that all would find the evening’s proceedings pleasing and satisfactory, both in repect 
to the novelties provided and to the instructive addresses that would be delivered to 
them; so that they might carry with them the conviction that the present entertain¬ 
ment would be up to the standard of excellence which was characteristic of the conver¬ 
sazioni of the Chemists’ Association. 
After referring to the special subjects of addresses to be delivered during the evening, 
he begged to call upon Dr. Edwards to favour the audience with that standing to his 
name on the programme, namely, “ On the new oxyhydrogen lantern, with photo¬ 
graphic projections, and biographical notices of eminent scientific men.” 
Dr. Edwards proceeded to describe the lantern, which was lately patented by Mr. 
Chadburn, of Liverpool, and was known as “Chadburn’s Patent Opaque Oxyhydrogen 
Lantern.” In the course of his address he stated that the new lantern differed from 
those heretofore employed for the projection of opaque objects, chiefly in having but one 
reflector, by which the rays from the illuminating medium were thrown back upon a 
large condensing lens, which concentrated and discharged them at an angle of 45 J upon 
the object to be shown. Opposite the object is fixed a whole-plate achromatic photo¬ 
graphic lens, by which a very clear and well-defined image is projected on the screen. 
The lantern is capable of highly illuminating a disk of about four inches diameter, and 
all objects not exceeding this area are clearly exhibited by it,—such, for instance, as 
fossils, corals, fruit, feathers, etc.; photographs oil paper, as ordinary cartes-de-visite, 
illustrations in books, diagrams, engravings, etc.,—a range of subjects which sufficiently 
indicates the advantages of this elegant apparatus. 
At this stage, Mr. Chadburx took the management of the lantern, and projected upon 
