Map Microwave Background
NASA Science Source
Edward Elgar Recording Session, 1914
Science Source
Recording Sound On Phonograph, 19th
Science Source
Audio Cassette #1
Ted Kinsman
Spectrogram Of Animal Sounds #1
Omikron
Spectrogram Of Bird Songs #1
Omikron
Spectrogram Of Bird Songs
Omikron
Audio Spectrograms #3
Omikron
Eeg Of Epileptic Seizures #2
Science Source
1950s Tape Recorder
Clive Streeter / Dorling Kindersley / Science Museum, London
Bert Williams, American Vaudevillian
Science Source
Cab Calloway, American Jazz Singer #2
Science Source
Man Operating Recording Desk
Dave King / Dorling Kindersley
Densmore Recording Mountain Chief, 1916
Science Source
Audio Cassette
Ted Kinsman
Grand Piano Registered By Phonograph
Science Source
Early Music Disk
Jan Lukas
Audio Spectrograms #1
Omikron
Spectrogram Of Bird Songs #2
Omikron
Rousselots Speech Inscription
Science Source
Spectrogram Of Animal Sounds
Omikron
Audio Spectrograms
Omikron
Audio Spectrograms #2
Omikron
Spectrogram Of Animal Sounds #2
Omikron
Thomas Alva Edison American Inventor
Mary Evans
Vocal Folds, High Speed Camera
Science Source
Eeg Of Epileptic Seizures
Science Source
Documenting Shuttle Launch
Science Source
Barrage Balloons Used At Trinity Test
Los Alamos National Laboratory
Banding A Yellow-bellied Flycatcher
Linda Freshwaters Arndt
Banding An Ovenbird Seiurus Aurocapilla
Linda Freshwaters Arndt
Cardiac Stress Test #1
Frédérik Astier
Baby Speaking Into Microphone, C.1960s
H. Armstrong Roberts/ClassicStock
Parents Masuring Childrens Height
H. Armstrong Roberts/ClassicStock
Cardiac Event Recorder Transmitting Data
Scimat
Cardiac Event Recorder
Scimat
Jelly Roll Morton, American Jazz
Science Source
Jelly Roll Morton, American Jazz #1
Science Source
X-ray Of An Eight Track Tape
Ted M. Kinsman
X-ray Of An Eight Track Tape #2
Ted M. Kinsman
Bill Robinson, American Entertainer #4
Science Source
Bill Robinson, American Entertainer #8
Science Source
Phonograph
Science Source
Pablo Casals, Spanish-catalan Cellist
Photo Researchers
Eeg Of Epileptic Seizures #3
Science Source
Étienne-jules Marey, French #1
Science Source
Phonograph #1
Science Source
Banding An Eastern Phoebe Sayornis
Linda Freshwaters Arndt
Tools Of Archeology
Neil Fletcher / Dorling Kindersley
Poulsen Telegraphone
Dave King / Dorling Kindersley / Science Museum, London
Cardiac Stress Test #3
Frédérik Astier
Magnetoencephalography #18
Amélie Benoist
Magnetoencephalography #21
Amélie Benoist
Cardiac Stress Test #6
Frédérik Astier
Scotts Phonautographe, Sound Recorder
Wellcome Images
Astronomer Observing Transit Of Venus
Wellcome Images
Measuring Blood Pressure
Scimat
Measuring Blood Pressure #1
Scimat
Cardiac Event Recorder Transmitting Data #1
Scimat
Montage Of Mans Head And A Hand Holding
Ikon Ikon Images
Bert Williams, American Vaudevillian #1
Science Source
Bill Robinson, American Entertainer #1
Science Source
Bill Robinson, American Entertainer #3
Science Source
Cab Calloway, American Jazz Singer #1
Science Source
Bert Williams, American Vaudevillian #2
Science Source
Bill Robinson, American Entertainer #5
Science Source
Bill Robinson, American Entertainer #6
Science Source
Bill Robinson, American Entertainer #7
Science Source