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Who invented the mechanical reaper?
Cyrus McCormick invented the mechanical reaper in 1834.
Did roman children have pencils?
No, Roman children did not have pencils. Pencils, as we know them today, were not invented until much later. In ancient Rome, children would use a stylus made of a thin metal or bone to write on wax tablets.
Cyrus McCormick invented what?
Mechanical reaper
Did they have pencils to write with in colonial times?
Nope, pencils weren't invented yet. Instead they used feathers dipped in ink.
When was the first mechanical clock invented?
It was invented in Middle Ages. Around 1300 AD.
How where mechanical pencils invented?
The first mechanical pencil was invented in Britain in the early 1820s, and patented by John Hawkins and Sampson Mordon in 1822.
Who invented lead for mechanical pencils?
N. J. Conte, 1795, England.
Do they use lead or graphite for mechanical pencils?
Mechanical pencils, like the regular kind of pencils, use graphite.
What are pop up pencils?
they are mechanical pencils
Should mechanical pencils be band from school?
yes mechanical pencils are very distracting
What are some brands of mechanical pencils?
Some of the brands of mechanical pencils include, but are not limited to, Bic, Pentel, Zebra, uni-ball, Sharpie, and Pilot. It is interesting to note that mechanical pencils can be in the plain, graphite color or there can be colored graphite used in colored mechanical pencils.
Why was the first pencil sharpener invented?
Before mechanical pencil sharpeners, pencils were sharpened by whittling the wood back with a pocketknife to expose fresh pencil lead. This took practice and skill to do properly. Pencils sharpened by hand this way often looked a little "ragged". The mechanical pencil sharpener was invented to simplify sharpening of pencils and produce a more reproducible result without needing endless practice.
Do new mechanical pencils always have 2B or B lead pencils because when you get the HB refills it is not the same darkness as when you bought it?
Not all mechanical pencils have 2B or B lead. Some pencils have bigger lead.
Can you recycle pencils?
yes, but i prefer you not to get rid of fine pencils. especially if it is mechanical.
Do mechanical pencils use energy?
Mechanical pencils themselves do not need any energy in the forms of battery or electricity. However, mechanical pencils do need human energy to work. We need to add lead and push lead out; they do not do this on their own.
What was Sampson Mordans quote on the mechanical pencil?
I love mechanical pencils
Where can I buy some mechanical pencils?
There are many places that someone can purchase mechanical pencils. The best place would be the local business supply store, such as Staples. Many other stores, such as Walmart and Target will also sell mechanical pencils.
