SCIENCE AND INDUSTRY. 
Provide plain picture rail round all rooms at window-head level, 
» providing plugs for fixing where necessary. . 
Secure to floor round all boarded rooms a 2-inch by 14-inch angle 
fillet as skirting. : 
(10) The smooth surface of the pisé walling to be hammer-chipped 
to give a good key to the plaster. 
Before rendering or plastering walls, any loose earth or dust to be 
removed with a stiff brush and the wall surface evenly wetted. 
The rendering to be carried evenly round the walls—the minor 
square angles being roughly chipped down first so as to obviate sharp 
corners. The main corners of the house are ready-rounded off to a 
)-inch radius by the special corner mould. 
(11) Bond brick and slab work to pisé walls by driving iron spikes 
into the latter every few courses at joint level and bedding in. 
(12) Colour-wash walls with tallow lime-whiting tinted with ochre. 
Provide 2-feet skirting of pitch, applied hot, to form base-course round 
exterior of building. - 
N.B.—The exterior of the walls of the Newlands Corner house are 
being finished in several different ways, with a view to determining 
the most durable and economical form of epidermis. - 
A trial pisé building adjoining has stood for four years without any 
external protection whatever. It has suffered no damage and grows 
continually harder. For the sake of appearances, however, and for the 
better preservation of the wall from chance injury whilst still “ green,” 
a coating of some sort may be deemed necessary. , 
242 
