Find the missing text [**O**N]
[3498] Find the missing text [**O**N] - Background picture associated with the solution - #brainteasers #wordpuzzles - Correct Answers: 25 - The first user who solved this task is Snezana Milanovic
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Find the missing text [**O**N]

Background picture associated with the solution
Correct answers: 25
The first user who solved this task is Snezana Milanovic.
#brainteasers #wordpuzzles
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A wife was having trouble with...

A wife was having trouble with the idea of turning 30 and was oversensitive to any signs of advancing age. When she found a prominent gray hair in her bangs, she pointed to her forehead and asked her husband, "Oh no, have you seen this?"
"What?" he asked, "the wrinkles?"
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Black American invention

In 1888, a U.S. patent was issued for the railway signal to the Black American inventor, A.B. Blackburn (No. 376,362). The type of signal was that designed to be operated by the wheels of a train. A lever was depressed as a train wheel travelled over it, to remotely operate an alert through a mechanical linkage upon the passing of the train. It was designed for use upon a single track railway line for trains passing in one direction. To provide a signal for trains passing in the opposite direction, a similar apparatus would be applied on the opposite rail. This patent was an improvement in mechanical design of his earlier patent No. 309,517 on 23 Dec 1884, in which he also described how a gong was activated to provide the alert.«[Image: detail from patent diagram showinf device beside a section of rail.]
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