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Old fashioned slide rule isolated on black background.
Old calculator on parquet
Antique spyglass for observation from the ship. Old objects of the 18th century era, reenactment of events
Detail of a geometry set in its tin
Close-up of an old traditional movable type printing machine
Vintage old folding ruler. Isolated on white background.
Vintage adding machine.
Retro styled image of an old jukebox with empty music labels
Ontario, Canada.
Slide rule math instrument set to the value pi
close up of tab keys on an antique and weathered adding machine, outdoors on display and for sale at a junkyard, Long Island, New York
Slide Rule
Little Girl in front of Blackboard. 1955.
Barograph. The barometer is a self-recording device for continuous recording. High quality photo
An old letter weighing scale so folks could find out if they needed additional postage, now everything is digital, but this is a kinda nice throw back to simpler days
Vintage old folding ruler. Isolated on white background.
Probably produced on the 50´s, is a rare model (maybe the only one ever made) where the carrousel works standing up
Camera Dials and Controls on an antique 35mm rangefinder type camera.
Portable Gas Stove for Camping
Close-up of vintage typewriter with keyboard
Optical tool with mirrors and magnifying glasses
View of antique ohmmeter device
Annual rings on a cross-section of a tree trunk.
Antique style cash register. Old-time cash register in shop. Vintage mechanical cash register system Telegraph machine. Wooden material
Property deeds in canvas binders from a government records center
Ship telegraph in the engine room, close-up.
Old and obsolete instrument for math calculus. Anyway it is a beautiful instrument.
Part of broken baby weight scales, isolated on white
Abstract film texture background, made with film camera, expired film and scanned to jpg. Light leak on 110 mm film
Free Images: "bestof:Slide Rule and Case, Pickett and Eckel, mid 1900s - National Electronics Museum - DSC00081.JPG en Exhibit in the National Electronics Museum 1745 West Nursery"
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