![](http://www.alamy.com/thumbs/6/6BCA7593-9F3B-48F5-A908-8350CA7024E6/2ABXXNP.jpg)
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
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Photo credit: © Corantos / Alamy / Afripics
License: Licensed
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