3(DIK[,&n3(D.&E. ASTB (IDinHnSX OMimWlBIOHTg* [NUMBER 35. NEW-YOKE, MAY 14, 1853, volume vni.] only be cheaply applied to light houses, but CHLLILAND'S DIOPTRIC CRYSTAL LENSES—Figure 1. Scientific American, for all the varied purposes we have already enumerated. On pige 174, while noticing… … One of the greatest improvements for the ken out in England in the name of Mr. New- falling on those lenses is formed into eight easily oxydized of the. two. This plan was benefit of commerce, made in the present cen- ton, the agent there, and not that of Mr. Gilli well known ts Sir Humphrey Davy,…