1

GG GalileoGalileo Galilei GalileiManuel GarciaManuel GarciaHenri GiffardHenri GiffardRobertRobert Goddard GoddardJohn GreenwoodJohn GreenwoodThomasThomas Gryll Gryll

ThermometerThermometer

AirshipAirshipEndoscopeEndoscope RocketsRockets

FaucetFaucetDentist’s DrillDentist’s Drill

HH HerbertHerbert Haddan HaddanR. N.R. N. Harger HargerJohnJohn Harington HaringtonPeterPeter Henlein HenleinJoseph HenryJoseph HenryHero of AlexandriaHero of AlexandriaH. M.H. M. Hobson HobsonMarcian HoffMarcian HoffHoffmannHoffmann-La-La Roche RocheEdwin HolmesEdwin HolmesChristiaan HuygensChristiaan Huygens

2

StaplerStapler Breath TesterBreath Tester Toilet TankToilet Tank Clockwork MotorClockwork Motor

Car JackCar JackElectricElectricBellBell

ElectricElectricMotprMotpr Window WinderWindow Winder MicroprocessorMicroprocessor

Liquid Crystal DisplayLiquid Crystal Display Burglar AlarmBurglar Alarm Mechanical ClockMechanical Clock

3

IJKIJK IBMIBMW.W. Jaeger Jaeger & E. & E. Meili MeiliZacharias JanssenZacharias JanssenWhitcombWhitcomb Judson JudsonJackJack Kilby KilbySergei KorolyevSergei Korolyev

Dot-Matrix PrinterDot-Matrix Printer Smoke DetectorSmoke Detector

MicroscopeMicroscope ZipperZipper SatellitesSatellitesSilicon ChipSilicon Chip