xii. ABSTRACT OF PROCEEDINGS. 
“Framed drawing, portrait of Governor Macquarie, with 
original signature at back.” 
“Portfolio of Water-colour Drawings, illustrating Ancient 
Egyptian Temples, and Decorations, Ornamental Stone 
and Wood-work, Temple Architecture etc.” (40 drawings) 
“Model of Ancient Egyptian boat, Mummy Cloth, etc.” 
“Series of photographs taken at Port Macquarie, showing 
old St. Thomas’ Church of England, interior of Gaol, etc.”’ 
Mr. Frep. WaLsH— 
“Two Thick Volumes,” containing a collection of rare patent 
specifications, relating to the shearing of animals by 
machinery. 
ProFessor J. T. Wi_tson—(Department of Anatomy). 
“Various Microscopes, with a number of interesting slides.” 
Acting Professor W. G. Woo.nouaGu, D.Sc., (Department of 
Geology)— 
“Geological Maps,” prepared by the United States Survey. 
These illustrate some of the finest work of this kind 
published. 
“Jolly’s Balance and Walker’s Balance.” Balances for 
determining specific gravity. Specific gravity is the 
relative weight of a substance as compared with that of 
an equal bulk of water. 
“Models to show Symmetry of Crystals.” Observe that the 
single piece of cardboard is reflected in the mirror so as 
to produce a figure similar in form to a crystal. 
‘‘Sclerometer.”” An instrument for determining the hardness 
of minerals. A polished plate of mineral is adjusted on 
the table of the instrument, and the counterpoised steel 
(or diamond) point is pressed against it by a weight. 
The carriage is moved and the hardness of the mineral 
determined by the weight necessary to produce a scratch. 
“‘ Blowpipe Apparatus,” for determining the chemical com- 
position of minerals. 
