120 The Molteno Institute for Research in Parasitology 
water from the whole length of this slated portion and voids it down the 
vertical pipe to the slate cistern in the aquarium room. At the west end of the 
roof is a hatchway to a vertical chute leading down to a closed space opening 
with a door near the furnace in the basement; this chute, finished in smooth 
concrete internally, serves for throwing down refuse from the top to the 
bottom of the building where it can be incinerated or otherwise dealt with. 
The stairs outside the building are of stone; those within are granolithic 
with powdered carburundum (non-slip) finish, they measure 3' 5" in width. 
The bannisters are of iron painted dull black. The internal surface of the walls 
is lime-washed in the basements, plastered and white, cream, or otherwise 
distempered throughout, except in the photographic room and dark room 
which are painted black overall; in the lavatories the walls are coated with 
v r hite enamel paint to a height of 5 feet above the floor. The shirtings are of 
concrete and usually 3 inches high, being mostly blackened, the concrete 
being preferred to w 7 ood. The floors are of concrete, partly reinforced, their 
surfaces being covered by red tiles in the vestibules, corridors and lavatories, 
black tiles and stone covering an area about the fireplace in the tea room; 
otherwise the floors are finished in Portland cement trow 7 elled smooth, or 
asphalted (as on the roof) in the chemical, aquarium, sterilizing and dark 
rooms; a few 7 of the rooms have the floors covered by dark green linoleum 
similar to that on the work benches; as linoleum is very expensive its use has 
necessarily been (w 7 e hope temporarily) restricted. Woodtvorh. The external 
doors and gate to cycle basement, window frames and ledges, and trap-doors 
to hoist are of teak; a few window ledges are of slate. The woodwork of the 
internal doors, borrowed lights, etc., is w T hite enamelled throughout except in 
the basements; the doors , v T here not glazed, are smooth, unpanelled, consisting 
of a frame covered w r ith boards of three-ply w r ood; three pairs of research rooms 
intercommunicate by sliding doors conveniently placed. The w T oodwmrk in 
the tea room and library (shelves 10" deep) are of teak. Appropriate legends 
and numbers are painted in black on the doors. Windows. The frames and 
casements of the seven research rooms and aquarium (ground and first floors) 
are of steel; the central large fixed casement holding a single sheet of plate 
glass as in shop windows, the two casements flanking the central one being 
arranged to open so that their upper portion swings horizontally, the top edge 
falling inward, w’hilst the low ? er portion is hung vertically swinging one-third 
in and tw r o-thirds out w T hereby they are readily cleaned; the low^er sections of 
the flanking windows open in opposite ways so as to secure suitable ventilation 
according to the direction of the wind. The wdndows on the north side of the 
research museum, consisting of four lights each, have their lateral casements 
movable like those in the research rooms, the casements being of steel set in 
teak frames. The remaining wdndows of the building are leaded, the steel case¬ 
ments being set in teak frames. In all cases the upper line of the glazed portion 
of the wdndow T runs at a distance of about 6 inches from the ceiling wdiereby 
the rooms are brightened by the large amount of reflection from the ceiling. 
