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