1930s concrete printing technology precursor - GIF

1930s concrete printing technology precursor.

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Previously:

1930s dotted line tool - GIF
1930s early car ramp jump stunt - GIF
1930s family bicycle - photo
1930s industrial grinder lighting - photo
1930s lathe operator at Leys Malleable Castings Company - photo
1930s shaper operator - photo
1930s vertical turret lathe - photo
Machining a locomotive coupling rod in the 1930s - photo

Just add a mixer and a pump...

Nothing new under the sun.

Shows exactly how much water is actually required for strong concrete. No forms is a real plus. Forming this would not be a simple exercise.

Mark

Quite ingenious for round structures, Looks like hard work to move scaffolding and to feed it.
But folks back then weren't put off by hard work.

Quote:

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Originally Posted by albertq

Quite ingenious for round structures, Looks like hard work to move scaffolding and to feed it.
But folks back then weren't put off by hard work.

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Mostly because they had no other option. It's easy to assume that the work ethic was different then, but the truth is that as soon as any time/effort-saving tech is available it is put into use.

Neil