The Optical Magic Lantern Journal (May 1893)
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76 ‘The Optical Magic Lantern Journal and Photographic Enlarger.
mode of illumination for a sitter. The light was powerful and subdued. Bamboo stands for lanterns, screens, and |
cameras, were shown by Messrs. Cheney ; also a compact bag or case for changing plates. Stereoscopes and slides of an interesting character were displayed by Messrs. Lewis. On the last stall was a collection of mixed and blow-through jets by Mr.
Lesuisse.
At another part of the Palace from the photo exhibits the Anschutz Electric Wonder delighted such as dropped a penny in the slot to see “what the attendant described as the life-like movement of photographic figures.
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Hand-Cameras for Obtaining Slides for the Lantern,
“Facile” .. (Fallowfield) .. . . see March Ist, 1890 No. 1°'Giah” .. (Mawson & Swan).. .. 4, May = Ist, ,, » 2% Quadrant”.. (W.H. Humphries & Co.) ,, June Ist, ” » 8Eelipse” .. (J.P. Shew &Co.).. .. 4, July Ist, ,, oy 4" Eureka” . (W. W. Rouch & Co.).. » Aug. Ist, ,, 3 5 Key” . (Platinotype Co.) .. » Sept. Ast, ,, + 6“ Optimus” .. (Perken, Son & Rayment) » Oct. Ast, ,, "7 “The Griffin” (Griffin eae eed) » Nov. Ist, ., » & “The Swinden-Earp” Patent. ae » Dec. Ist, ,,
» 9 “Collins” . (€.G. Collins)... .. .. ., Feb. Ist, 1891 » 10 “Kodak” .. (Eastman Co.) ss +s oa Mar. Ist, ,, » 11 “Guinea” .. (Walter Griffith) .. + April Ist, ,. » 12 “Vanneck’ .. (Watson & Sons) .. .. ,, May Ist, ,, » 13 Chadwicks (W.I. Chadwick)... .. ,, June Ist, ., » 14 “Bonanza”... (R.& A.J. Mercer)... July lst, |, » 15 “ Repeater” .. (J. F. Shew & Co.: » Aug. Ist, ,, 916 “Marvel? — .. (Wilson & Son) » Sept. Ist,
> 4,17 “Talmer” .. (Talbot & Eamer).. . Oct. 1st,
» 18 “The Omnigraph” (J. Lancaster & Son) » Nov. Ist,
” » 19 “Ubique” .. (Perkin, S5on & Rayment) ,, May lst, 1892 », 20 “Daylight Kodak" (Eastman Company) ,, June Ist, ,§ » 21 ‘The Radial ” (Marion & Co.).. «+» 5, July Ast, ,, », 22“ The Surprise” (Levi & Son)... .. .. 4, Aug. Ist, ., » 23" Perfect” .. (W. Tylar) + a <a 99 Sept. Ist, ,; » 24° Byena” .. (RA& J. Beck)... 2...) 4, Oct Ist. ,
No. 25.—THE “METEOR.”
As has been our custom at this time of the year, we resume the description of hand-cameras ; these being in great demand for obtaining views for lantern slides. Descriptions of several handcameras can be seen by reference to our journals as stated in the above list.
One of the latest hand-cameras, termed the ‘‘ Meteor,” has been put upon the market at 12s. 6d. by Messrs. Theobald & Co., of 43, Farringdon Road, E.C. :
A dozen exposures may be made with one
charging. The plates are-inserted in sheaths | and stacked in place as shown in cut by means |
of a door which opens at the back of the camera. Immediately behind the stack of plates is placed a spiral spring which serves to neep the front plate at the focal plane.
By an ingenious hook which engages with the
F. Brown, and | an ingenious mechanical album by Madame
_ which carries quarter plates. * measures 91x 5x
Huh plate, a slight turn of a knob near the top causes the’ plate to be liberated and to fall forward, when a slight tilt of the camera enables it to be sent into a compartment beneath the unexposed plates.
After each plate has in turn been exposed and transferred, they may be removed for development from the lower compar tment which is in reality a drawer.
Immediately in front of the lens is a shutter, which is capable of giving either time or instantaneous exposures, and these can be given by turning one knob only. If turned to the right the lens is left open, and the exposure is terminated by pressing it towards the left, whilst if the movement be in the first instance towards
‘the left an instantaneous opening and closing | of the lens takes place.
Two finders are supplied to this camera, The instrument 64 inches.
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Oils and Lamps for the Lantern. No. |. By W. H. Harrison.
THE extent of the vast stores of petroleum in the earth is scarcely popularly realised, for the present consumption of it by man has been estimated at about three million gallons’ per day, .and an authority from Trinity House stated about a year ago at the Society of Arts, that the petroleum supply will last long after the coal-fields of the world have been exhausted. Some of the ancient large sources of natural production show no signs of giving out; for instance, the ‘‘ sacred fires’’ of Baku are reasonably supposed to have been visited by fireworshippers at least from the time of Zoroaster, who lived more than 600 years B.C. They were mentioned by Marco Polo in the Thirteenth
, Century, as good to burn and to anoint camels suf
fering from the mange, which is the earliest record bearing some relation to the fact that petroleum favours the growth of healthy heads of-hair. It is supposed to skill the bacteria which some