36
SCIOPTICON MANUAL.
Beginners who wish to understand and operate the
Sciopticon by explanations and directions which can be
seen at a glance, may examine in connection with Fig.
15, the following
RECAPITULATION.
The front, h h h't with its attachments, draws apart
from the body of the instrument.
The stage o o' lifts out.
The condenser, p q, is drawn out by laying hold of
the ring r.
The cells holding p and q draw apart.
The front flame-chamber glass G is held in place by
the spring A, which can be reached through the open¬
ing over A.
With h o p q G removed, the narrow glass F (found
packed with the extra wicks) is reached to position,
and needs no further attention.
The portion of chimney attached to the cap J, tele¬
scopes into /.
The lamp S slides out horizontally, by raising the
spring X.
With packing removed, glasses clean, lamp filled two-
thirds full of standard kerosene oil, and all parts in place
as seen in the cut, remove the back glass G\ and reach
the wiqks v v with a lighted match. Beplace G', and
let the flames stand about one inch hio-h.
o
See, specially, that an oil so inflammable as to light
at the safety slit u is not used—that no oil is left outside
the lamp-cup, to give off an offensive smell—that the
wicks at v v are not raised to rub against the plate E"
when the lamp slides in and out—that the flame-chamber
glasses G G' are in place to secure draft, and that the