National Geographic : 1913 Oct
Travel the Earth in an Hour or Two If you have traveled or if you would like to and smellof the ordinary instrument sold for home travel, you know that pictures of interesting use; because it is so simple that anyone can places are almost as interesting as the places operate it without previous experience and so themselves, compact that it is easy to carry and takes little With a Balopticonyou can entertainyour friends space when in use. by showing enlarged on the Moreover, Balopticon pic ductions of your own neg- b clearer than are ordinarily atives, or of the views of other shown because the lenses are travelers. Any room of ordi- of the very highest grade and nary size is large enough and BALOPT IC O N are of absolute optical ac your regular electric current or THE PERFECT STEREOPTICON curacy-up to the standard out convenient acetylene light- set a generation ago by The ing outfit gives the required illumination. Bausch and Lomb Optical Co. who are acknowl The Balopticon is the perfect stereopticon be- edged the greatest makers of high grade lenses cause it does away with all the danger and smoke in America. Model B, $18 and $22. (Suitable for home use and in small halls, club rooms, etc) Other Models at $25, $55, $65, $80, $150 and up. Send for literatureand booklet on Slide Making BAUSCH & LOMB OPTICAL CO.,507St. Paul St., Rochester, N. Y. RECOMMENDATION FOR MEMBERSHIP in the National Geographic Society The Membership Fee Includes Subscription to the National Geographic Magazine DUES: Annual membership in U. S ., $2.00; annual membership abroad, $3.00; Canada, $2.50; life membership, $50. Please make remittances payable to National Geographic Society, and if at a distance remit by N. Y. draft, postal or express order. Please detach and fill in blank below and send to the Secretary .......................................................................................... 191 Z'o the Secretary, National Geographic Society, Sixteenth and MStreets Northwest, Washington, D. C.: I nominate Address for membership in the Society. 10-'13 (Write your address) "Mention the Geographic-It identifies you."