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Here are the first eight minutes of The Adding Machine (1969).  With Phyllis Diller in a serious (surreal) role.

THE ADDING MACHINE (1969)
Pulitzer Prize winning author Elmer Rice’s 1923 play (here brought to film some 45 years later) is a funny and slightly nightmarish look at advancing technology and its effect on human relationships. The play chronicles the life of Zero, a hapless cog spinning aimlessly in the corporate world, who, after 25 years of service, is replaced by a machine.