WWII scientist working on breaking the Enigma machine code
rack focus scientific equation on chalk board.
Edisons successful carbon filament light closeup
Person working at a compact desk
camera moves around the desk of a 1885 scientist
doctor studying a hand joint
1930s doctor looks at testube and writes on a clipboard
1885 scientist writing in his journal
Scene tracks around a Victorian era scientist working in his laboratory using a dip pen to make some notations in a notebook of his work.
close shot of businessman writing on a legal document
Victorian detective writing and looking at paperwork
closeup vintage man writing in a ledger while riding a train
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.
Victorian era scientist thinks about what he sees in the microscope
WWII scientist working on the Enigma code machine
closeup victorian scientist making notes from microscope
A Victorian era scientist working in his laboratory using a dip pen to make some notations of his work.
wide shot businessman writing on a legal document
victorian scientist looks through microscope and takes notes
Victorian detective writing notes using a dip pen
Two young scientists discussing and using a tablet PC 4K
victorian woman scientist writing notes in a book
dolly 1940s news reporters looking at some film and making notes
man writing notes
1940s vintage writer typing and correcting his story
businessman working on documents at his desk 4k
teenagers in a school chemistry class
1930s doctor gets up from desk to talk to nurse
victorian woman scientist writing notes
closeup businessman opening folder and writing on legal documents
19th century apothecary or chemist using a dip pen writing notes
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
macro 18th century coins and man writing with a quill pen
victorian era scientist looking through a microscope
Friendly student's cheerful smile
vintage man writing in a ledger while riding on a train
victorian scientist making notes for different chemicals
wide shot 1930 nurse looking through a microscope then takes notes
A Victorian era scientist working in his lab documents some findings using a dip pen with a microscope typical of the time period close by.
1940s reporters looking at a roll of film for the story
1940s Reporters review film then one makes notes
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
businessman at his desk working on paperwork rack focus to document 4k