WWII scientist working on breaking the Enigma machine code
shallow DOF of businesswoman signing a legal document
WWII scientist taking measurements on the Enigma machine
macro 18th century man writing with a quill pen
WWII scientist working on the Enigma code machine
camera moves around the desk of a 1885 scientist
doctor studying a hand joint
Victorian detective writing and looking at paperwork
1885 scientist looking through his microscope
closeup businessman opening folder and writing on legal documents
victorian woman scientist writing notes
rack focus scientific equation on chalk board.
victorian scientist looks through microscope and takes notes
victorian woman scientist writing notes in a book
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.
1885 scientist writing in his journal
teenagers in a school chemistry class
Two young scientists discussing and using a tablet PC 4K
close shot of businessman writing on a legal document
Edison's failure inventing the light bulb
Victorian era scientist thinks about what he sees in the microscope
19th century apothecary or chemist using a dip pen writing notes
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.
A Victorian era scientist working in his laboratory using a dip pen to make some notations of his work.
Victorian detective writing notes using a dip pen
macro 18th century coins and man writing with a quill pen
victorian scientist making notes on chemicals
Friendly student's cheerful smile
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.
businessman working on paperwork turns off lamp 4k
vintage businessman man on a train writing and thinking
vintage 1930 nurse handing the doctor a blood sample in a test tube
victorian scientist making notes for different chemicals
dolly 1930 nurse making notes from the microscope
closeup vintage man writing in a ledger while riding a train
1940s reporters looking at a roll of film for the story
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 apothecary woman making notes from medicines
1940s Reporters review film then one makes notes
1930s doctor looks at testube and writes on a clipboard
man writing notes
wide shot businessman writing on a legal document
victorian scientist using microscope focus on boiling flask
businessman working on documents at his desk 4k
victorian scientist looking at medicines and taking notes