Question

elijah mccoys 57 patents included the automatic lubricator for railroad engines and a legacy as ____.
oil can man
the real mccoy
the railroad king
macgyver mccoy

1. match the descriptions with the black inventors.

the chemical engineers multiple - effect evaporator is still used today to desalinate water, to recycle, and to make sugar, glue, soap, and milk.
she was the first african american woman to receive a u.s. patent, for her 1884 dough kneader and roller invention.
the first african american woman to sign her full name on her patent application was granted a patent in 1885 for the invention of the folding bed.
this inventors innovation resulted in a padded ironing board that was narrow enough for sleeves to fit around the board.
born in south america, this inventor created a machine allowing a worker to last shoes ten times faster than lasting by hand.

Explanation:

Elijah McCoy was a well - known inventor, and the term "the real McCoy" originated from his high - quality inventions. His automatic lubricator for railroad engines was highly regarded, leading to this popular expression.

Answer:

the real McCoy