The boy was engaged in driving the horses in a cotton gin.

The cotton gin, the first steam engine, the telephone, internal combustion engine.

The cotton gin has greatly aided the development of all civilized nations.

He would see you before you begin work on the cotton gin.

Brief mention has been made of Whitney's invention of the cotton gin.

Other momentous results followed on the invention of the cotton gin.

New industries were started, and the cotton gin and other machines were invented.

I got it caught in a cotton gin when I was 12 years-old.

So he wasn't at all fussed about trying to make a cotton gin.

The cotton gin had been invented, and cotton had come into great demand.

The invention of the cotton gin removed the last difficulties.

Yet all the time the South was growing richer because of the cotton gin.

Swinging left at the cotton gin, I circled around the way I had before.

Nevertheless he set to work and invented the cotton gin.

They ran a cotton gin and my father managed it.

Mr. Pearl Hawkins wants it down by his cotton gin.