Olivetti Lettera 22 Instruction Manual
The instruction manual for an Olivetti Lettera 22 typewriter. Possibly designed by Giovanni Pintori, but I'm not sure about that.

en.wikipedia.org/wiki/Olivetti_Lettera_22

My original post on the We Made This blog about the manual is here:

wemadethis.typepad.com/we_made_this/2009/07/regular-visit...
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