ioned to the bril- office of war correspondent to the extensive, deadly, and every-day life. liancy of illumination produced in the field of view, it fol- desperative battles of ants which so frequently occur in This same character of visual] mutilation results from the lows from this one superior… … ble to correct such a lens to the same degree of excellency pying this focus will appear magnified in proportion to the as that of one of like focal length and less diameter, a like power used. The same result can be obtained by using or- dinary magnifying lenses in connection with achromatic…
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