The weekly sun. (New York [N.Y.]) 1851-1869, 1862-01-04
Euallsh International E>hib,,Iou Of ise.

Tho works Of tho Exhibition building saw
the London NRws Of the lOth, huvo been
pushed with the grcateft energy during III
past week, but, ~ the principal oxortiOns wcrg
concentrated on the dones, much progress could
rot bo observed. A. lhose domts are nov So
rapidly approaching completion, few detailed
particulars resp.c ing them may nOl prove un.
interesting:
These dDmcs arc the largest that have eve,
yet been eNecutsd. The Exhibition domes ~,
100 4. in exterior diameter, the do ne of st
Peter S is ~ IT., aud that OF $. Pauls IL
II. But, although our domes are IL themselves
larl or in oveTy way han any set construc ci,
they will not rise to so great height above
the ground as either Of tho.c. Tho Exhibition
d,mCs spring FROM a height Of III f., whlc
makes tile top of tho iinial POO ft. above th
ground, while ths cross ON y Peter Il 10 IT,.
aud that OF st. Pdul's so f.. above he pIy,
ment.
So much for the dymes upon which At the pro
sent time nearly all ,hc energies OF H., con,rlc
tors are concentrated for the rest Of the worI
we have have only to say that it pr,gre,'e' IL
the most rapid and satisfactory mInnT. Nolr
~ tho whole building may now bc sail to b.
rooted ill., giving the enormous total of ISS, OlU
square feet Of roofing AS against 9j3 400 of the
Paris Exhibition, and being 2OO, 900 moro thu
that Of the London Exhibition OF lsIl. t.,
eastern courts arc neatly tnithvd, and the pie
ture gallery is now pe't,ct wo'k Great thing
are expected from the principles adopted IN
lighting this important department of die build
ing, and Captain Philpot's riyc' tho following
description Of the thing to I've DONE AMI TIA,
rode in in which IL ia proposed to he Effected
The Chiot deSideratum of 4 picture gallery il
an equally distributed lirh. throughout, al.
mittod in such wav rs will prevent its ray.
being directly reflected from the surface of tn,
picture to the eye Of the vi,i'or. light.
therefore, satisfying this coalition, when III
Observer is standing at convenient distance, u
the only one which can he called perfect. No
one can have observed pictures lighted 10y ord
nary vii dows without exp Iiencing the un
pleasant effect produced 10y the improper rchso.
ion Of the rays or glitter from the pictures ~
il is called. II is for this reason that one l.
often puzzled where to find place from which
TO see the whole IL a large pie ure to advantage
The defect exists in many OF the finest galleries
both in this country and On the continent, and
the result is that some pictures can &c trccly h
seen ri all, while Others can only he observed
| from one or two points, which arc always more
or l,Ht crowded, according to the merits Ct the
| ,uli,Ct. This is ohNiltCd Ivy admitting tn,
| light at particular angle from the roof bN
| means Ga rkylight extending along its entir,
| length, and which in the present case measures
| ~ feet in width In this space Transparent
| calico ceiling treroaft,r TO 10 replaced b,
| ground glass; is introduced, which is raise,
| 10 feet ! inches from the floor. These proper
tion3 will afford the gallery IA much light a
| IaSsiblc, and glitter from tho surface OF tn
| pictures will be avoided.