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18 NEWTON & CO., Opticians to the Royal Family,
brass curtain shutter.
the effect ofa* curt^n^oU^y^p^at the commencement of an exhibT !anterns for Saving 8038 Brass Curtain Shutter, fitted to any of the above bi-whale,' extra ..£110
This
E.3. THE “SPECIAL” BI-UNIAL.
gase coliyneCct1ord 7'^^ • b— bar ha^LToMMUny s tnle^ at^he S for handsom^instrum^n^. CUrta,n hotter, &c. ; packed in cabfnet case, and forming a ve^
8039 E-| The ^ anddissolv'Png “ptNo? 8 fi?)76’ WHh 2 blow-throa8h _ _
8067 E.3. The “Special ” Bi-unial and dissolving tap (No. 8144)
IS above, fitted with 2 mixed jets (No. 8102)
E.4. THE “DIVIDED” BI-UNIAL.
saars
Mde by side if required for dissolving with oil lamps. g instruments, or
8068 £2 _ „
LONG-RANGE BI-UNIAL LANTERNS.
focufaf fshyh[°erxfrfc?itnorrwithan' be$Ued”itb d™*° achromatic lenses up to ro-in. required focus; but for the ver^ besrioL^n^ratlC J6"868(fe,e page 10) UP to an>'
Snacond:nseerinagnd 1^4 ^ W
and represent the 7y fom’s? ilorttr ro,n,at.1C 0 bJ ec t! ves 1 11 sliding tube rack mounts, obtained. y nstruments for long-range dissolving views that can be
8069 E.5 Long-Range Bi-unial Lantern with mahogany body 44 in eon achromatic I^di.^ cabinet caTe . (N . ° } and 4lssolvme tap (No. 8144) packed in
Carnet ease Jet.3.(N0' .^°2) and dissol™S tap (No. 8144) packed
The
dissolving _ f _ ^ _ I i(jr
screen, admirably adapTed“for a 'scientific 'inpurposes. For fuller details, see page 54.
Scientist’s ” Bi-unial Lantern. Thi pew work, but also arranged foi
lantern primarily fitted for nonstrating scientific experiments on the Lition who require an instrument for both