a perspective mechanically, with little or no previous resuit of this, the apparatus makes a true per- instruction. The inventor’s idea has been well work- spective drawing. The telescope is a long-range ed out and brought to a practical conclusion, as ex- one, magnifying ten times. It has a… … taining true perspective in all their works. He is at present designing a simplified form of his atus is the invention of Mr. Otto Eichenberger, of Ge- instrument for these purposes. neva, Switzerland, who is at present in this country TT + 8 introducing it. It will be found useful to anyone who…
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![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-289-75.webp)
