404 MOVING PICTURE APPARATUS [Cn. XI 



denser is the lantern-slide carrier for use with the magic lantern, 

 which is usually found in connection with moving pictures. 



FIG. 223. NEW STYLE CONVERTIBLE BALOPTICON WITH POWER'S 



MOVING PICTURE ATTACHMENT. 

 (Cut loaned by the Bausch & Lomb Optical Co.}. 



The condenser is usually provided with two plano-convexlenses, 

 each of 18 or 19 cm. focus (7 to ;> in. focus). JPP^ 



The slide-carrier for the magic lantern usually found connected 

 to the moving picture outfit is generally fastened to the lamp-house 



