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Scientific American, Vol. 80, No. 13 (April 1899) (1899)

leaf 10

An illustration from Scientific American, Vol. 80, No. 13 (April 1899), 1899, leaf 10
ary it was an- graph adjusted to mag- nounced that the Board nify eight times, it of Estimate and Appor- would require an expo- tionment would pioba- sure of one second ; but bly be able to appropri- I fH there is considerable *xy./W\i.y\ ate $1,000,000 for the latitude in exposure in y\f work on… … gram showing the path half has been placed in of the rays before they FBOM SAME POINT WITH TELEPHOTO ATTACHMENT, DISTANCE PHOTOGBAPH OF SAME BUILDING the Lenox Library reach the plate as NEABLY TWO MILES. building. © 1899 SCIENTIFIC AMERICAN, INC.

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