Results for “operating”

Altitude Wind Tunnel Operating at Night

NASA/GRC · 1280×960

Marcia Smith Operating the IBM #740 Computer

NASA · 1280×1023

Welding Shop DVIDS186624

Petty Officer 1st Class Carmichael Yepez · 2100×1500

A reference hand-book of gynecology for nurses (1913) (14776194255)

Macfarlane, Catharine, 1877-1969 · 2912×1880

A reference hand-book of gynecology for nurses (1913) (14753170516)

Internet Archive Book Images · 2624×1868

Ray Padgett operating Electron Microscope

usdoe · 2620×2916

Men and women operating machinery

libraryofcongress · 5177×6371

Operating Lab Equipment (FDA017) (6857478776)

The U.S. Food and Drug Administration · 1654×2048