The Universalist. [volume] (Chicago [Ill.]) 1884-1897, 1895-07-20

stone. 1t will be devoted entirely to sci
entifc purposes, and was planned with
that end in view, being admirably adap-
ted to such use. There will be two large
wings, or rather detached halls, connec.
ted by central structure, with fine
Roman arches, and this latter part is
reserved for the valuable collection of
natural objects now on hand. When
completed it will be one of the noblest
and best arranged college buildings in
the country.
The west wing about sixty-four by
fifty-six feet and four etories Nights to
be the home of physics and chemistry.
The ground floor is level with the
campus outside and is lighted by large
windows There will be cement floors
in all the lower rooms; here will be To-
Gated the engine, dynamos and motors,
also mechanical workshop, fitted with
wood and metal working machinery;
there will also be furnaces for crucible
work, muffie work and general fire assay
ing; there are provided store rooms for
chemicals and a constant temperature
room on this level
On the first floor is the large general
laboratory for beginners in chemistry,
calculated to accommodate sixty workers
at the same time; also the physical Ia
boratory and small lecture room for
classes in physics.
The second floor is given up entirely to
chemistry and furnishes space for lee
ture room, aprivate laboratory and chem
ical museum, laboratory for advanced
workers, a balance room and library.
Except store room for chemical glass
ware the third floor is to be used by OPP
eratives in physics. Excellent facilities
will be furnished for Photographic work:
--dark-rooms, rooms for enlarging, re-
ducing and making lantern slides will be
provided. Space will be found alec. for
spectroscopic and photometric exami-
nation and private rooms for advanced
students in physics.
The difficult problem in providing
chemical laboratories is to get some sue
eessful method of ventilation; even with
the greatest caution, acid and poisonous
fumes will escape into the general labor
atory and some sure means of rapidly
changing the air is necessary. Careful
study of this problem has been made by
Prof. Knight and the architect and
LII xy.e. ~,
order to find some successful method.
Fresh air, moistened and filtered, will
be forced around coils of pipe. containing
steam in winter and cold water in sum-
mer, and sent through fues, leading to
each room. Valves in the basement.
controlled by the occupant or director of
the room, will admit hot or cold air or
any mixture of these into the proper
fiue. 1t is arranged so that the atmos-
phere of the chemical laboratories will
be completely changed every ten minu
ties.
The evaporation of acids and general
ng of gases will go on inside of glass
hoods or small chambers on one side of
the laboratory and wholly removed from
the laboratory, while an exhaust fan run
by electricity will draw the dangerous
fumes into fues leading to the ventilat
ing shaft of the building.
The process of evaporation of liquids.
Of which SO much is done in a modern
chemical laboratory, is arranged to be
ander perfect controls steam baths, hot
water baths, hot sand and hot copper
plates. kept at an even temperature by
gas flames. will be used and arrange
ments will be made to use electricity for
heating the more delicate organic COM
pounds. The lecture room will seat
about sixty students and will be used by
both classes in chemistry and physics.
Modern methods of seating are planned
so that each student will have an unin-
terrupted view of the lecture tables and
black boards. A projecting lantern for
throwing pictures upon screen will be
furnished and the lecture desk will be
provided with pipes leading to tanks of
air oxygen, hydrogen and street gas.
under pressure, as well as connection