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“‘CUT OFF WITH SCREW-DOWN VALVES.
Many lanternists having jets fitted with the -ordinary lever taps, will remember they have had at times a difficulty in getting the ‘‘ best” light, and when they have obtained it, have probably had to leave the lantern and go away “for some purpose, which necessitated the light being turned out. In the illustration shown,
‘Mr. Steward, of 406, Strand, has combined a |
fine adjustment arrangement for both gases, with a cut off, so that the light when once -adjusted to give the required light can be lowered to a bead, and raised again to the origina] light as often as required by simply turning a lever.
BETTS’8 CHROMOSCOPE.
This instrument, which one hardly knows whether to call a toy or a scientific apparatus,
The Optical Magic Lantern Journal and Photographic Enlarger.
sewew = eo a ee
-_—
fastened on the frame and rotated by means of a large wheel, as indicated. The various lines on the cards are of deep black, but when they are rotated they assume colours (faint, certainly) such as grey, blue, red, yellow, in various shades, according to whether they are rotated from right to left or from left to right.
‘¢ PRIMUS” LANTERN STAND.
In lantern entertainments a shelf is very desirable, and in the new stand introduced by Messrs. Butcher, of Blackheath, they have arranged not only a folding stand, but a folding
fF | shelf ; which, when fixed, is absolutely rigid. # | The ends of the legs fit into the tilting table
head. It folds and packs into small compass,
m | and in the language of a certain poet, “it
has reached us from Messrs. Philip & Son, of
Fleet. Street. With each outfit are supplied cards of various shapes, marked with segments of circles, as shown lying on the table in the illustration.
One or other of these cards is :
| should fill a long-felt want.”
’
‘* PRIMUS’ GAS LANTERN.
| This lantern by the same firm is of small , dimensions, and is a pretty instrument with a