What hides this stereogram?
[2229] What hides this stereogram? - Stereogram - 3D Image - #brainteasers #stereogram #3Dimage
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What hides this stereogram?

Stereogram - 3D Image
#brainteasers #stereogram #3Dimage
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Senior Guessing

Eighty-year-old Bessie bursts into the recreation room of the retirement home.
She holds her clenched fist in the air and announces, “Anyone who can guess what’s in my hand, can take me out to dinner tonight!”
A witty, elderly gentleman in the rear shouts out, “An elephant?”
Bessie thinks a minute and replies, “Close enough!”

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Curved stereotype plates

In 1861, full pages of the New York Tribune were printed for the first time in the U.S. using curved stereotype plates. Such plates were first cast by Charles Craske in 1854 in New York City for a Hoe rotary press. Stereotyping also enabled the publisher to make duplicate plates for two presses which could half total production time to run an edition with no extra costs in typesetting. Flat stereotyping had been used as early as 1725 when William Ged took metal castings from plaster moulds made from a frame of type, and in this way introduced a method for book publishers to reduce wear on their type, and let the type itself be reused for subsequent pages. Papier maché replaced plaster in the 1830's. Craske extended the idea to making curved plates for rotary use.«[Image: section of a flat papier maché flong stereo mould with the impression obtained in the moulding press. Large raised areas are supported by packing in hollows of the reverse side.]
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