12-ft. E,4 tors, High-class Lenses, 21-in. dia., Hackwork, &c. brilliant Pictures. 4,000 sold. . 4s, Od. 10. 2to 3 Os. Od. AMATEURS ! Why purchase the commercial article sold at Stores, &c., when you can have the technical instrument at the same price that shows a Magic Lantern

110%.S

Gelatine plates are soaked for three minutes in a t per cent. solution of potassium bichromate made slightly alkalim by ammonia, and the plates are then very slightly raised and allowed to dry in a dark place. These plates are then exposed under ordinary stereoscopic negatives,

Unless rock steadyness of a camera stand has been secured whilst taking the original negative, it is beyond the power of the exhibitor to produce perfect steadiness of the projected positive, and under such circumstances the operator must be 'content with focussing up as well as

DEAR SIRS, I was very glad to get your circular the other day, and to find that our old friend the "LANTERN JOURNAL " is to have yet one more resurrection. I was a subscriber to the two last series, and for about nine years welcomed the issues month by month as they were publish

cinematograph projector, at two guineas. Rumour reaches us that more than one firm will staftle the trade in this direction shortly. ON Monday, October loth, at the Parish Hall, Ntathallerton, the Rev. Walter A. Dark, M.A., delivered a lantern lecture entitled "Australia, the La