EXTRACTS OF PROCEEDINGS. 
clxvii 
In the arcades were exhibited many novel scientific inventions 
and objects of interest, amongst which should he recorded the 
following:—Edison’s loud-speaking Telephone, lent by the 
Eight Hon. E. P. Bouverie and Colonel Gourand, exhibited by 
Mr. Arnold White ; the Phonograph, or talking and singing 
machine, lent by the London Stereoscopic Company; Edison’s 
Electric Pen, exhibited by Mr. Thomas Butler; Telegraphic 
apparatus, various, lent by the Post-Master General; Praxino- 
scope and diagrams, Microscopes, Singing Water Hammer, 
Graphoscopes and Stereoscopes, exhibited by Messrs. Murray 
and Heath; Models of tropical fruits, specimens of Indian 
vegetable productions, and diagrams of Indian plants and trees, 
lent by the Director of the Indian Museum; Devolving stereo¬ 
scope and “ Grip,” Charles Dickens’ favourite raven, alluded to 
in “ Barnahy Budge,” lent by the London Stereoscopic Company; 
Microscopes, with objects, lent by Messrs. Boss and Co.; Three- 
shutter telephone line indicator complete, six-shutter electric 
bell and telephone indicator combined, for domestic purposes, 
and automatic switch call bell for single line, with telephones, 
exhibited by the Telephone Company ; Steam engines by P. 
Brotherhood, working two of Siemens Brothers’ electric lights, 
lent by the inventor. Large Automatic Spectroscope, with a dis¬ 
persive power of twenty-four dense flint glass prisms, showing the 
spectra of silver and gold ; new forms of Stephenson’s binocular 
microscopes, displaying a new set of crystals derived from coal 
tar, prepared by A. C. Cole, Esq.; and Micro-Spectroscope, with 
the absorption spectra of colouring matters from leaves and 
juices of plants, lent by Mr. John Browning. Phonoscope, an 
apparatus for rendering visible by electricity musical sounds, 
apparatus for showing the effects of the human voice on a gas 
jet, apparatus for showing the nodal points of a vibrating cord, 
Ladd’s dynamo-magneto machine, Gramme-machine for labora¬ 
tory use, microscopes and polariscopes, lent by Messrs. W. Ladd 
and Co. Collection of economic and medicinal plants, com¬ 
prising specimens of the trees and plants which produce the 
spices and condiments in daily use, tropical fruits, valuable 
woods, gums, medicines and poisons ; collection of interesting 
carnivorous plants; and collection of plants which may not 
inappropriately be called “ botanical jewelry,” lent by Mr. 
William Bull. Collection of Japanese books and other Japanese 
