Annual Report of the Librarian of Congress . The Building and Grounds. 357 toothed rack. The locations of the several carriers are indi-cated on the floor plans, and their construction, as nearly aspossible, in the accompanying photographic illustrations,Nos. 1 to 6. The reference letters indicate as follows: No. 1. A, Tray on its way upward. tions! u s t r a B, Sending rack, which is drawn horizontally to right by first arriving empty tray from below, pickingoff volume placed on it for Reading Room. C, Pneumatic tube to Reading .2. A, Tray on its way downward. B, Receiving rack on ro
Annual Report of the Librarian of Congress . The Building and Grounds. 357 toothed rack. The locations of the several carriers are indi-cated on the floor plans, and their construction, as nearly aspossible, in the accompanying photographic illustrations,Nos. 1 to 6. The reference letters indicate as follows: No. 1. A, Tray on its way upward. tions! u s t r a B, Sending rack, which is drawn horizontally to right by first arriving empty tray from below, pickingoff volume placed on it for Reading Room. C, Pneumatic tube to Reading .2. A, Tray on its way downward. B, Receiving rack on rocker cranks by which it is auto-matically tilted inward under arriving tray hav-ing books to be delivered at this station. No. 3. Horizontal run of carrier in the cellar, seen frombeneath. (May be best seen by holding it abovethe head.) No. 4. Reading Room station. Receiving box removed toexpose the racks. A, Tray on way downward. B, Sending rack. C, Receiving rack. D, Dial and governing crank. No. 5. Carrier to Capitol, driving gear. (Room
Size: 1369px × 1826px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectlibrary, bookyear1901
