WWII scientist working on breaking the Enigma machine code
camera moves around the desk of a 1885 scientist
closeup businessman opening folder and writing on legal documents
WWII scientist taking measurements on the Enigma machine
dolly 1930 nurse making notes from the microscope
1885 scientist looking through his microscope
doctor studying a hand joint
Victorian detective writing and looking at paperwork
Victorian detective writing notes using a dip pen
closeup victorian scientist making notes from microscope
close shot of businessman writing on a legal document
1885 scientist writing in his journal
victorian scientist looking at medicines and taking notes
Victorian era scientist thinks about what he sees in the microscope
shallow DOF of businesswoman signing a legal document
A Victorian era scientist working in his laboratory using a dip pen to make some notations of his work.
macro 18th century coins and man writing with a quill pen
victorian woman scientist writing notes in a book
Scene tracks by a 1890 era scientist working in his laboratory using a dip pen to make some notations in a notebook of his work.
vintage 1930 nurse handing the doctor a blood sample in a test tube
victorian scientist looks through microscope and takes notes
victorian apothecary woman making notes from medicines
A closeup of an alchemist or scientist from around 1898 time period working in his laboratory documents his work.
Two young scientists discussing and using a tablet PC 4K
man writing notes
WWII scientist working on the Enigma code machine
closeup vintage man writing in a ledger while riding a train
victorian woman scientist writing notes
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.
wide shot businessman writing on a legal document
teenagers in a school chemistry class
Portrait of tired senior man to not listens notations from his serious wife when they together sitting on the couch at home. Family problems
vintage businessman man on a train writing and thinking
businessman working on documents at his desk 4k
victorian scientist making notes on chemicals
1930s doctor looks at testube and writes on a clipboard
19th century apothecary or chemist using a dip pen writing notes
rack focus scientific equation on chalk board.
1940s Reporters review film then one makes notes
victorian scientist making notes for different chemicals
Friendly student's cheerful smile
vintage man writing in a ledger while riding on a train
1940s vintage writer typing and correcting his story