Drawing office scene, Edgar Allen's steel foundry, Sheffield, South Yorkshire, 1964. Technicians discussing the drawings. The foreground shows the...
Lab technician with a slide rule, Edgar Allen's steel foundry, Sheffield, South Yorkshire, 1962. Before the invention of cheap electronic...
Composite image of physicist Dr E. Paul George of Birkbeck College, London, using a slide rule to calculate the rate at which meson subatomic...
Aerial view of the machinery and building materials sector, On the left is Pavilion 17, home to machine tools and metalworking equipment, At the...
Inside Pavilion 42 machines and materials for graphic arts, packaging machinery, drawing reproduction equipment, and supplies for technical offices...
no swimming sign stands near urban pond covered in lily pads with large building in background. no swimming sign in city, drowning prevention rules, warning signage outdoor. - 計算尺 個照片及圖片檔
no swimming sign stands near urban pond covered in lily pads with large building in background. no swimming sign in city, drowning prevention rules, warning signage outdoor. - 計算尺 個照片及圖片檔
Airforce personnel use slide rule theodolites to calculate wind velocity and direction, compiling their calculations on forms beside the devices,...
Visitor looks at the slide rule exhibit at the Computer History Museum in Mountain View during its grand opening on January 11, 2011.
August 2023, Berlin: A raccoon plays at a slide rule in an apartment of the head of the association "Hauptsache Waschbär e.V."" Photo: Britta...
August 2023, Berlin: A raccoon plays at a slide rule in an apartment of the head of the association "Hauptsache Waschbär e.V."" Photo: Britta...
Students in a physics class, lab equipment on the table before them, formulas on the chalkboard, with a large slide rule, behind them, at Clark...大學, 1950, 传统黑人大学
a slide rule or ruler and a calculator and marbles. using an old fashioned methods to make mathematical calculations. - 計算尺 個照片及圖片檔
a slide rule or ruler. using an old fashioned method to make mathematical calculations. - 計算尺 個照片及圖片檔
An asmuth plotting board and a slide rule are used by the 1866th Facility Checking Squadron, Air Force Communications Command to project coverage for...
Female computer at the National Advisory Committee for Aeronautics Lewis Flight Propulsion Laboratory with a slide rule and Friden adding machine to...
Frank Whittle, British inventor of the jet engine, 7 January 1944. ‘Group Captain Frank Whittle inspecting a slide rule. '
Draftsman, making calculations with a slide rule, at his drawing board, on which is a parallel rule, an anglepoise lamp frames the draftsman, in...黑人種族, 武器, 設計圖
During the 1920s William J. Powell led a small group of black air enthusiasts in Los Angeles. He established the Bessie Coleman Flying Club in 1929...計數機
During the 1920s William J. Powell led a small group of black air enthusiasts in Los Angeles. He established the Bessie Coleman Flying Club in 1929...
This slide rule belonged to Dr. Sally K. Ride. Before pocket-sized electronic calculators became available in the 1970s, slide rules were used as an...
This chemical slide rule used for determining the mass of atoms and molecules belonged to Dr. Sally K. Ride. Before pocket-sized electronic...
1960s African-American Man Working With Slide Rule Making Notes Blueprints On Desk Draftsman Architect Contractor
1950s 1960s Single African-American Man Engineer Working Reviewing Construction Plans Blueprints Using Slide Rule Pad And Pencil男人, 計劃
January 2021, Lower Saxony, Osnabrück: ILLUSTRATION - A squirrel monkey squats on an abacus at Osnabrück Zoo. Animals are weighed, counted and...
January 2021, Lower Saxony, Osnabrück: ILLUSTRATION - A capybara is seen next to an abacus at Osnabrück Zoo. Animals are weighed, counted and...算盤
January 2021, Lower Saxony, Osnabrück: ILLUSTRATION - Capybaras are seen behind an abacus at Osnabrück Zoo. Animals are weighed, counted and measured...
boy doing homeschooling and writing on notebook, using tablet and headphones, wearing mask at home during corona crisis - 計算尺 個照片及圖片檔
An instructor at Michigan State College uses an oversize slide rule demonstrate its usage to math, physics, and engineering students, East Lansing,...
