Showing the front movable 'apron' over the tank and the main stage with the hydraulic rams by which they are raised and lowered; the traps in the main stage and runways by which processions etc. enter and leave the stage. Sectional View of the Stage. CENTS A COPY $ A YEAR. ran, scientific american, 1905-03-25

---

Showing the front movable 'apron' over the tank and the main stage with the hydraulic rams by which they are raised and lowered; the traps in the main stage and runways by which processions etc. enter and leave the stage. Sectional View of the Stage. CENTS A COPY $ A YEAR. ran, scientific american, 1905-03-25

---

Size: 3308px × 4607px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: $, .., 1905-03-25, american, analysis, apron, broadsheet, cents, copy, developments, discovery, education, enter, experiment, front, health, hydraulic, innovation, insights, inventions, inventor, lab, leave, lowered, magazine, main, mind, movable, processions, publication, raised, rams, ran, research, runways, sa, sciam, science, sciences, scientific, scientist, sectional, showing, stage, sustainability, tank, tech, technology, traps, view, weekly, year