WWII scientist working on breaking the Enigma machine code
Person working at a compact desk
camera moves around the desk of a 1885 scientist
victorian apothecary woman making notes from medicines
WWII scientist taking measurements on the Enigma machine
closeup businessman opening folder and writing on legal documents
shallow DOF of businesswoman signing a legal document
doctor studying a hand joint
1930s doctor looks at testube and writes on a clipboard
Victorian detective writing and looking at paperwork
1885 scientist writing in his journal
closeup victorian scientist making notes from microscope
WWII scientist working on the Enigma code machine
A closeup of an alchemist or scientist from around 1898 time period working in his laboratory documents his work.
Victorian era scientist thinks about what he sees in the microscope
A Victorian era scientist working in his laboratory using a dip pen to document observations made through a brass microscope typical of the time period.
macro 18th century coins and man writing with a quill pen
A Victorian era scientist working in his laboratory using a dip pen to make some notations of his work.
victorian woman scientist writing notes
closeup vintage man writing in a ledger while riding a train
rack focus scientific equation on chalk board.
Two young scientists discussing and using a tablet PC 4K
Victorian detective writing notes using a dip pen
victorian scientist looks through microscope and takes notes
man writing notes
1940s vintage writer typing and correcting his story
wide shot businessman writing on a legal document
teenagers in a school chemistry class
shallow DOF of businesswoman writing on a document
1930s doctor gets up from desk to talk to nurse
businessman working on documents at his desk 4k
macro shot of businessman writing on a legal document focus on foreground
Portrait of tired senior man to not listens notations from his serious wife when they together sitting on the couch at home. Family problems
victorian era scientist looking through a microscope
Friendly student's cheerful smile
vintage man writing in a ledger while riding on a train
Edisons successful carbon filament light closeup
wide shot 1930 nurse looking through a microscope then takes notes
victorian scientist making notes for different chemicals
1940s reporters looking at a roll of film for the story
1940s Reporters review film then one makes notes
19th century apothecary or chemist using a dip pen writing notes
closeup of businessman writing on a legal document 4k
victorian scientist using microscope focus on boiling flask
Wide Shot 1930 Nurse Looking Through A Microscope Then Takes Notes Color Version
victorian scientist looking at medicines and taking notes