. United States Court of Appeals For the Ninth Circuit. WITNESSES: INVENTOR E. CONCENTRATOR. APFLICATION TILED OCT. 9, PatentedMay 11,1909. 3 SHEETS-SHEET 3. 30 k .^8,-39 Tlz^.X . ^^ so 21 ^2 f f ZZ SO


Size: 1829px × 1367px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorunitedstatescourtofap, bookcentury1900, bookdecade1910