At what age can a cat have her first litter? Puberty (the age at which animals can reproduce) in the cat ranges from 4 to 12 months, with the average being 6 to 9 months. At puberty, cats are generally about 75% of their mature body weight.Domestic shorthair cats, as a breed, generally reach puberty earlier than domestic longhair cats.t what age can a cat have her first litter? Puberty (the age at which animals can reproduce) in the cat ranges from 4 to 12 months, with the average being 6 to 9 months. At puberty, cats are generally about 75% of their mature body weight.
While Eli Whitney is best remembered as the inventor of the cotton gin, it is often forgotten that he was also the father of the mass production method. In 1798 he figured out how to manufacture muskets by machine so that the parts were interchangeable.
Eli Whitney (December 8, 1765 â January 8, 1825) was an American inventor best known for inventing the cotton gin.t has been argued by some historians that Whitney's cotton gin was an important if unintended cause of the American Civil War. Before the invention of the cotton gin, slavery had been on the decline; in fact many slaveholders had even given away their slaves.