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Scientific American, Vol. 87, No. 8 (August 1902) (1902)
leaf 4
STONE SKULLS WITH SMALL IDOL ON THE TOP. © 1902 SCIENTIFIC AMERICAN, INC. August 23, 1902. Scientific American. 119 reconstruction commenced in earnest. The value andquantity of relics which are buried beneath thesestructures can only be conjectured. IMPROVED PICTURE PROJECTING APPARATUS.… … IMPROVED PICTURE PROJECTING APPARATUS, ment whereby ilit same may be converted into aprojector for opaque pictures. While this is suitablefor certain classes of exhibition it nevertheless fallsshort of the requirements when it is desired to exhibittransparent and opaque pictures interchangeably;…Locomotive · Apparatus · Inches · Machine · Horse power · Scientific American · Weighing hopper · Water closet · American august · Burning oil · Wireless telegraphy · Building monthly · Gas engine · Inches thick
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