Egg Incubator was patented by Napoleon E. Guerin of New York, New York, in 1843. He received Patent #3,019. Incubators circulate warm air around fertilized eggs until the chicks hatch. Children can learn more at: Egg Incubator.
Mar 302024
Mar 302024
Pencils with erasers
Pencil with eraser was patented in 1858 by Hymen Lipman of Philadelphia, Pennsylvania. He received Patent Number 19,783. About two billion pencils are produced each year. The pencil “lead” is really a form of graphite.
Dec 172024
A Christmas Carol, written by Charles Dickens, was published in 1843. Dickens started working on the novella in September 1843, and it was finished only days before it was published. While Dickens did not receive the royalties he desired, the work was highly acclaimed. The work was adapted for the stage as early as February, 1844. Children can read the novella at: A Christmas Carol.