THOMAS JEFFERSON MIDDLE SCHOOL
LIBRARY


 
INDIVIDUAL INVENTIONS
ADDING MACHINE ANEMOMETER AVIATION BAR CODES
Burroughs Adding Machine Company
Glimpses into the Past
History - 1857-1953		 Anemometer To Fly is Everything Bar Code 1
Bar Code History Page
W.S. Burrough's Adding Machine     History of the Barcode
      History of Bar Codes
       
CALCULATING MACHINES CASH REGISTERS COMPUTERS LIGHTBULB
Appleton's'
Cyclopedia Of Applied Mechanics
Calculating Machines		 Smart Machines A History of Computers Great Internet Light Bulb Book
Calculating Machines Who is NCR? History of Computers  
    History  The Evolution of the Computer  
       
MICROWAVE OVEN PENCIL RECORDINGS
 SAFETY PIN
A Brief History of the Microwave Oven The Pencil Pages Early Recorded Sounds and Wax Cylinders
 Patent for Safety Pin Issued 
Safety Pins (Grades 5-12)
     
 Why Didn't I Think of That?
WINDSHIELD WIPERS
The Invention of the Windshield Wiper

 
 
 
Inventors Thomas Jefferson Middle School Library

 
 
 
 
 
 
INDIVIDUAL INVENTORS
CHARLES BABBAGE JACQUES COUSTEAU LLOYD ESPENSCHIED
Who was Charles Babbage?
Jacques Cousteau remembered
Coaxial Cable
     
PHILO FARNSWORTH JOHN HARRISON ESTHER CONWELL
Electrical Engineer
Philo Farnsworth
John Harrison and the Longitude Problem
 IEEE History Center - Women's History Month:  Esther Conwell
FARNSWORTH, PHILO
U.S. Inventor		 p@rsons_world of John Harrison Currents--University of Rochester
  Time to make history
     
LEE DEFOREST GEORGE SELDEN
VIRGINIA APGAR
 Transistorized!
Lee De Forest
 No. 207:  Selden's Automobile
 Great Moments In Medicine. 
Apgar's Inspiration
Automobile Story
New Stamp Scores A "10" On The Apgar Scale

 
 
 
 
Inventions Thomas Jefferson Middle School Library

 
 
 
 
These sites have been selected for their relevance to the seventh grade english and science curriculums.  These choices are consistent with the selection policies of the library, and with the print and non-print materials available there.  Each site has been seen by the librarian and has been screened by the school's Internet filtering software.  However, the library, Thomas Jefferson Middle School, and the Board of Education are not responsible for the content of these sites, which is subject to frequent change, nor for the content of any other sites to which these sites may be linked.