130 SCIOPTICON MANUAL. 



to be without a Sciopticon in my house. It gives one 

 such enlarged views of everything. 



SCIOPTICOJf FOB SUNDAY-SCHOOLS. 



BY E. D. JONES, ESQ., 

 President Missouri State Sunday-School Association. 



11 While the great aim of all Sunday-school effort is to 

 teach the word of God, seek the conversion of scholars, 

 and train such in the ways of holy living, yet there are 

 appliances and helps that may be used to attract and in- 

 terest young minds where they do not in any way con- 

 flict with the grand object of the school. 



"It is a religious institution, and its interests should 

 be welt guarded from all that would in any way lower 

 the dignity of its mission. Some time since I introduced 

 the Sciopticon, a recent improvement in the line of the 

 Magic Lanterns, of which Prof. L. J. Marcy, of Phila- 

 delphia, is the patentee. 



" I found the instrument wonderfully simple in con- 

 struction and management. Its lamp burns simple coal 

 oil and gives a most intense light, and in the production 

 of pictures on the wall or on the screen equals any of the 

 most expensive Magic Lanterns, with calcium lights, 

 that cost so much labor and expense." 



SCIENCE AT HOME. 



(Communication from the President of Franklin Institute.) 



MR. L. J. MARCY. 



DEAR SIR: During the winter of 1872-73 1 was in- 

 terested in lantern experiments, using the lime light as 

 the source of illumination. At the same time I made 

 frequent use of your very admirable Sciopticon, with 

 oil lamps. The readiness with which it can be adjusted 

 and made ready for use impressed me. For parlor use, 



