Week 34 Inventions and Inventor

The Semaphore Telegraph, the Cotton Gin, and the Hydraulic Press are the inventions I will write about.  The inventor is Eli Whitney.

  The Semaphore Telegraph are towers placed six to fifteen miles away.  They then signal to other towers.  One can receive a message much faster than a horse can travel.  So if there was an emergency, help could come quickly.  

The Cotton Gin is a machine that separates the seed from the fibers.  It does so by squeezing the seeds out of the fibers.  Because the machine separates the seeds for the farmer, the farmer could spend his time doing something else.        

The Hydraulic Press is a machine that crushes metal.  It crushes the metal by applying tons of pressure to the metal.  It is really useful because it can crush cars into small blocks of metal which saves space in junkyards.

 Eli Whitney invented the Cotton Gin.  He invented the Cotton Gin to help farmers with their labor.

To wrap it up, I wrote about three inventions: the Semaphore Telegraph, the Cotton Gin, and the Hydraulic Press.  I also wrote about the inventor of the Cotton Gin: Eli Whitney.       


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