1 / 2
1956 Press Photo DL Subrahmanyam, Engineer in University of Michigan
Shows Virginia Johnson, the Sound Spectrograph machine, used to convert spon words into black lines
Photo is dated 1956.
Photo measures 9.25 x 7 inches.
Photo is dated 1956.
Photo measures 9.25 x 7 inches.
$7.00
Original: $19.99
-65%1956 Press Photo DL Subrahmanyam, Engineer in University of Michigan—
$19.99
$7.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Shows Virginia Johnson, the Sound Spectrograph machine, used to convert spon words into black lines
Photo is dated 1956.
Photo measures 9.25 x 7 inches.
Photo is dated 1956.
Photo measures 9.25 x 7 inches.
