Steel pen invented by Samuel Harrison in year 1780

Home Knowledge Inventions & Discoveries Steel pen

Invented by : Samuel Harrison

Invented in year : 1780

Other Inventions

Achromatic lens Adding Machine Aeroplane / Airplane Air Conditioner Air Pump Apgar Scale Atom Theory Automated Teller Machine Automobile Balance Bicycle Barometer Bessemer Converter (steel)Bicycle Bifocal Lens Braille Printing Breech-loading Rifle Calculating Machine Calculator Calculus Can Opener Candy Bar Carpet Sweeper Cellophane Cellophane Tape Chewing Gum Christmas Tree Lights Compound Microscope Computer Game Computer Mouse Concrete Condensed milk Conditioned Reflex Cotton Gin Diving Bell DRAM Duct Tape Dynamo Earmuffs Electric Battery Electric Chair Electric Motor Electric Streetcar Electric Welding Electromagnet Electroplating Elevator ENIAC Erector Set Escalator Etch A Sketch Ethernet Fax Machine Food Preservation Fortran Fourdrinier Machine(papermaking)Friction Match`FRISBEE Gas Turbine Geodesic Dome GRAHAM CRACKER Gyroscope HULA-HOOP Hydraulic Press Hydrogen Fuel Cell Hygrometer Hypodermic Syringe Illuminating Gas Integrated Circuit Internal-combustion engine Internet IVORY SOAP Jacquard Loom Java KELLOGG'S CORN FLAKES KITTY LITTER Lava Lite Leyden Jar (condenser)LIFE SAVERS CANDY Light Bulb Lightning Rod LIQUID PAPER Lithography Loudspeaker MacIntosh Computer Magnifying glass MASKING TAPE MDMA Mercerised Cotton Mercury Thermometer Methanol Microphone Microprocessor MIXER MP3 Nanrigid airship Neon Nitroglycerin Nylon Stockings Optical Disc Orgone Accumulator PAPER BAG PAPER TOWELS Pattern Loom Pendulum Clock Phosphorus Match Piano pistol`PLANTERS PEANUTS Platform Scales Pocket watch Portland Cement Printing press Railroad Locomotive Reaper Reflecting Telescope REFRIGERATOR Refrigerator car Reinforced Concrete SAFETY GLASS Safety Lamp Safety Matches Safety Pin SCHWINN BICYCLE SCOTCHGARD Screw Propeller Seed Drill Sewing Machine Silicon Smallpox Vaccination SMOKE ALARM / SMOKE DETECTOR Solid-fuel Rocket Spinnind Frame Spinning Jenny Steam Boat Steam Engine Steam Engine(with separate condenser Steam Hammer Steam Locomotive Steam Power Printing Press Steam Pump Steam turbine Steel pen Stereotyping Stethoscope Submarine SWISS ARMY KNIFE Talking Machine TEDDY BEAR Telephone Telescope Threshing Machine Transistor TRAVELERS CHEQUES TUPPERWARE Typewriter Water thermometer Water Turbine WORLD WIDE WEB Xerography or Electrophotography