ARTIFICIAL AIDS TO COMB-BUILDING. 185 
thing different was needed to settle the problem. 
And, ere long, dainty pieces of foundation, modelled 
to perfection in white wax, by being pressed 
through a roller machine like a patent mangle, by 
which they had acquired almost a metallic lustre, 
Fig. 50.— Foundation Machine (Scale, p. 
r. Rolls ; ys, ps, Pressure-screws ; dw, dw, Driving Wheels ; It, Lubricating-trougli. 
found their way from across the Atlantic. This 
material w'as sent out by “ John Long,” but was 
made by a machine invented by Weiss, a German. 
The rhomboidal bases were exact, and the cell 
walls partly raised, as we find them in Fig. 49. The 
