278 REPORTS FROM THE SECTIONS. 
for educational purposes ; therefore large ones become very valu- 
able. What then ought to be the value set upon the method that 
allows us to procure real photographs upon a screen varying 
6 to 30 feet in diameter? I speak now of the adaptation of 
photography = the sciopticon and a apparatus. Here 
is a special manner of teaching, at once the most perfect and the 
most hitessoting, allowing any number to see the illustration at 
he number depending solely upon the size of the 
hall used, which illustration bears truth in every line. There is 
really no limit to this mode of instruction—thousands upon thou- 
ce most wonderful results. It was introduced into France 
with great success, and is still used in connection with the 
lectures in the military and other large schools. It can well 
be understood the great charm these monster poe 
i ho 
empire. Alas! how very few of our countrymen know any- 
thing of its grandeur? Then there is much to be learned about 
those wonderful people the Chinese, the Japanese, the wilds of 
America, Africa—and, indeed, what is there not that we do not 
an 
cases photography comes again et our 
generation so long remain ‘dentaadi of these ‘places —why 
not illustrate our geographical lectures ae these ans by 
ic! rs and cu arious nation 2 be 80 
&c., is one that ‘will, serve to e e our minds and refine our 
ideas, that we may be able not only to see and appreciate the 
wonders of nature all around us, but that we may, as nations, 
more familiar with the various countries of the world, 
various virtues and abilities ; and knowing these, we cat 
alot ease what we ousever are dient i, and oinreoe 
