Thomas Edisons Laboratory
Science Source
Florence Nightingale, English Nurse
Science Source
Edison Electric Light, Carbon Filament
Science Source
Manhattan Schist #1
John Kaprielian
Florence Nightingale, English Nurse #5
Science Source
Edisons Menlo Park Lab
Science Source
The Lady With The Lamp, Florence
Science Source
X-ray Of An Energy Efficient Light #4
Ted Kinsman
Diver At Wreck
Reinhard Dirscherl
Florence Nightingale, Nurse And Reformer
Wellcome Images
Lava Lamp X-ray
Ted Kinsman
Plasma Lamp #3
Science Source
Street Lamp, Assisi
Tim Holt
Street Lamp In Malta
Tim Holt
Yellow Lamp
Steve Gorton / Dorling Kindersley
Paraffin Lamp
Clive Streeter / Dorling Kindersley / Science Museum, London
Kerosene And Oil Lamps, 1881
Science Source
Northern Lamp Shells
Andrew J. Martinez
Northern Lamp Shells #1
Andrew J. Martinez
Northern Lamp Shells #2
Andrew J. Martinez
Northern Lamp Shells #3
Andrew J. Martinez
Florence Nightingale, English Nurse #7
Science Source
Thomas Edison, American Inventor #1
U.S. Department of the Interior
Nurses On Night Rounds 1899
Science Source
Magician 1892
Photo Researchers
Flood Bulb X-ray
Bert Myers
Torre Dei Pierleoni
Tim Holt
Doorway, Tuscany
Tim Holt
Flood Bulb X-ray #3
Bert Myers
X-ray Of A Kerosene Lantern
Scott Camazine
Flood Bulb X-Ray #4
Bert Myers
Solar Energy Concept
Sigrid Gombert
X-ray Of A Kerosene Lantern #1
Scott Camazine
Nitrogen Emission Tube
Richard Treptow
Thomas Edison, American Inventor
Omikron
Thomas Edison, American Inventor
Photo Researchers
Thomas Edison
Science Source
Chinatown Opium Den
Photo Researchers
Florence Nightingale English Nurse #19
Science Source
Florence Nightingale, English Nurse #8
Science Source
Florence Nightingale, English Nurse #16
Science Source
Florence Nightingale, English Nurse #18
Science Source
Chinatown Opium Den #2
Photo Researchers
X-ray Of An Energy Efficient Light #2
Ted Kinsman
A Thermogram Of A Corner Of A Room
Ted Kinsman
Blunt-face Lampfish
Danté Fenolio
Manhattan Schist
John Kaprielian
Nyc Subway Construction, 1906
Science Source
Astigmatism, Ophthalmic Medicine #3
Paul Whitten
Sodium Vapor Lights On College Campus
Ted Kinsman
Thermogram Of A Lamp
Ted Kinsman
Thermogram Of Two Lamps
Ted Kinsman
Bougainvillea And Lamp, Mexico
John Shaw
Lamp Post, China
John Shaw
Low-pressure Sodium Lamp Lps
Dave King / Dorling Kindersley
Mercury Lamp
Dave King / Dorling Kindersley
Egyptian Oil Lamp, Replica
Dave King / Dorling Kindersley / Science Museum, London
High-pressure Sodium Lamp
Dave King / Dorling Kindersley / Science Museum, London
Replica Of Oil Lamp
Dave King / Dorling Kindersley / Science Museum, London
Sodium Lamp
Andy Crawford / Dorling Kindersley
Street Lamp, Lombardy, Italy
Peter Hammerschmidt
Argand Lamp, 1784
Science Source
Miner Safety Lamps Designed By Humphry
Science Source
Syrian Oil Lamp, 8th Century
Los Angeles County Museum
Japanese Okiandon, Oil Lamp
Science Source
Folded Oil Lamp, 2nd Century Bc
Los Angeles County Museum
Lamp, Thermogram
Science Stock Photography
Eastern Mediterranean Oil Lamp
Los Angeles County Museum