WWII scientist working on breaking the Enigma machine code
vintage man writing in a ledger while riding on a train
WWII scientist taking measurements on the Enigma machine
macro 18th century man writing with a quill pen
doctor studying a hand joint
camera moves around the desk of a 1885 scientist
WWII scientist changes some calculations for the Enigma machine
closeup victorian scientist making notes from microscope
dolly 1930 nurse making notes from the microscope
Victorian detective writing and looking at paperwork
closeup businessman opening folder and writing on legal documents
1885 scientist looking through his microscope
1930s doctor looks at testube and writes on a clipboard
victorian woman scientist writing notes
Edisons failure testing the light bulb closeup
victorian woman scientist writing notes in a book
businessman working on paperwork turns off lamp 4k
victorian scientist looks through microscope and takes notes
Two young scientists discussing and using a tablet PC 4K
teenagers in a school chemistry class
close shot of businessman writing on a legal document
1885 scientist writing in his journal
Victorian era scientist thinks about what he sees in the microscope
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.
shallow DOF of businesswoman signing a legal document
Friendly student's cheerful smile
victorian scientist making notes on chemicals
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.
1940s reporters looking at a roll of film for the story
rack focus scientific equation on chalk board.
victorian scientist making notes for different chemicals
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.
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.
closeup vintage man writing in a ledger while riding a train
19th century apothecary or chemist using a dip pen writing notes
Victorian detective writing notes using a dip pen
Portrait of tired senior man to not listens notations from his serious wife when they together sitting on the couch at home. Family problems
wide shot businessman writing on a legal document
man writing notes
victorian scientist using microscope focus on boiling flask
businessman working on documents at his desk 4k
victorian scientist looking at medicines and taking notes
1940s Reporters review film then one makes notes
macro shot of businessman writing on a legal document focus on foreground
victorian apothecary woman making notes from medicines