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Find number abc

If a41ab - 83acb = 1b23b find number abc. Multiple solutions may exist.

Correct answers: 29

The first user who solved this task is Nílton Corrêa De Sousa.

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The Announcement of My Death

Jerry was sitting down for breakfast one morning when he was astonished to see in the paper an announcment of his own death.
He called his friend at once, "Jim, have you seen the announcement of my death in the paper?"
Jim replied, "Yes, and exactly where are you calling from?"

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Typewriter

In 1843, the first U.S. design of a typewriter that successfully typed was issued a patent to Charles Thurber of Norwich, Conn. (No. 3,228) as a “machine for printing by hand by pressing upon keys which contain the type, called ‘Thurber's Patent Printer.’” He was the first to place the paper on a roller and give it longitudinal motion with provision for accurate letter and word spacing. It had a wheel carrying the keys around its circumference. A roller provided inking. However, the machine was slow to use, and only a concept model. Two years later, he patented a design for a writing (not typing) machine, which he called a Chirographer (18 Nov 1845, No. 4,271). On 27 Jun 1857, British Letters Patent were sealed (No. 1805) on Thurber's invention of “An improved caligraph.”«[Image: Thurber's Patent Printer of 1843.]

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