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Barometer Isolated on white
thermometer used to measure room temperature isolated on white background
wooden thermometer and mercury with a red indicator
Aneroid barometer gage showing low pressure. Meter showing low millibar or inches of mercury reading signifying an approaching storm or hurricane.
Vintage electric meter hanging on the wall. High quality photo
Thermometer, Hygrometer
3D Illustration of metronome with pendulum in motion
image of a measuring stick
Vintage engine room telegraph isolated on white background
Barometer with wooden thermometer
Antique scale in a room
Vintage wooden barometer isolated on white background. Single object with clipping path
Wooden thermometer showing high temperature on sunny day
metronome over a piano, with his pendule running
Local details of Guzheng
Set of retro thermometers isolated on a white background
Original industrial vintage dial indicator. White background
portable bearing compass isolated on white background
Old Barometer, Weathered and Rusty with Age. Canon 5DMkii Lens EF24-70mm f/2.8L USM ISO 50
Medical Lab Equipment used in Medicin Prepration process Health Care Himachal Pradesh India 3
Metronome in action
Vintage old folding ruler. Isolated on white background.
photo is taken on very hot summer day, during heat wave
two thermometers lie on a blue wooden table
Fishing boats at sunrise docked in French Creek on Vancouver Island, British Columbia
Barometer showing rainy weather isolated on white.
A brass ship telegraph indicating instructions to the engine room full length, isolated on white
Isolated, with clipping path. Old barometer and thermometer, turning towards fair weather.
Old industrial machinery
Free Images: "bestof:Aneroid barometer, early 1900s, Selsi - DSC06536.JPG Scientific instrument exhibited in the Franklin Institute Philadelphia Pennsylvania USA I took this"
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Aneroid barometer, early 1900s, Selsi - DSC06536.JPG
Sling psychrometer (hygrometer), early 1900s, Tycos Taylor Instrument Company - DSC06538.JPG
No. 1 Standard Barometer with Attached Thermometer, 1837, by L. C. Francis - DSC06540.JPG
Maximum-minimum thermometer - DSC06539.JPG
Anemometer with 8 vanes, c. 1893, T. B. Bickerton & Co - DSC06537.JPG
Leyden jars, maker unknown, c. 1820-1860 - DSC06563.JPG
Type A incandescent light - DSC06557.JPG
Incandescent light, unknown manufacturer, zigzag filament, c. 1895 - DSC06549.JPG
Westinghouse incandescent light, carbon double arch filament, c. 1890 - DSC06545.JPG
General Electric Mazda B electric light, ductile tungsten filament, c. 1910-1915 - DSC06553.JPG
Swan Electric Light Co. incandescent light, carbon double arch filament, c. 1882 - DSC06555.JPG
United Electric Improvement Company incandescent light, carbon single arch filament, c. 1894 - DSC06547.JPG
Weston Electric Lighting Co. incandescent light, sinusoidal filament, c. 1885 - DSC06551.JPG
Toaster, maker and date unknown - Franklin Institue - DSC06674.JPG
Pulley system - Franklin Institue - DSC06672.JPG
Unidentified telescope - Franklin Institute - DSC06689.JPG
Unidentified telescope - Franklin Institute - DSC06705.JPG
Apollo lander, Franklin Institute - DSC06612.JPG
Interior view, Franklin Institute - DSC06535.JPG
Interior view, Franklin Institute - DSC06541.JPG
Interior view, Franklin Institute - DSC06542.JPG
Interior view, Franklin Institute - DSC06543.JPG
Interior view, Franklin Institute - DSC06570.JPG
Interior view, Franklin Institute - DSC06598.JPG
Interior view, Franklin Institute - DSC06606.JPG
Interior view, Franklin Institute - DSC06608.JPG
Interior view, Franklin Institute - DSC06614.JPG
Interior view, Franklin Institute - DSC06681.JPG
Interior view, Franklin Institute - DSC06708.JPG
Interior view, Franklin Institute - DSC06709.JPG
Interior view, Franklin Institute - DSC06715.JPG
Interior view, Franklin Institute - DSC06728.JPG
Franklin's Bells (replica) - DSC06569.JPG
Aircraft engine - Franklin Institute - DSC06591.JPG
Aircraft engine - Franklin Institute - DSC06592.JPG
Aircraft engine - Franklin Institute - DSC06593.JPG
Aircraft engine - Franklin Institute - DSC06594.JPG
Aircraft engine - Franklin Institute - DSC06596.JPG
Packard diesel aircraft engine - Franklin Institute.jpg
Propellers - Franklin Institute - DSC06584.JPG
T33 jet trainer - Franklin Institute - DSC06571.JPG
T33 jet trainer - Franklin Institute - DSC06577.JPG
Wright 1911 Model B Flyer - Franklin Institute - DSC06579.JPG
Wright 1911 Model B Flyer - Franklin Institute - DSC06581.JPG
Wright Brother 1903 drawing - Franklin Institute - DSC06583.JPG
Wright Brothers incidence indicator - Franklin Institute - DSC06588.JPG
Wright Brothers landing device - Franklin Institute - DSC06585.JPG
Wright Brothers pendular device - Franklin Institute - DSC06587.JPG
Bifocals by Benjamin Franklin - Franklin Institue - DSC06605.JPG
Centrifuge, maker unknown, c. 1860 - Franklin Institue - DSC06631.JPG
Mantel clock, maker unknown, c. 1870 - Franklin Institue - DSC06618.JPG
Redheffer's perpetual motion machine - Franklin Institue - DSC06610.JPG
Singer Sewing Machine, date unknown - Franklin Institue - DSC06676.JPG
1581 Galileo escapement - Franklin Institue - DSC06663.JPG
1660 English escapement - Franklin Institue - DSC06664.JPG
1710 verge escapement - Franklin Institue - DSC06668.JPG
1740 Sully's marine clock escapement - Franklin Institue - DSC06669.JPG
1760 escapement by James Ferguson - Franklin Institue - DSC06666.JPG
1770 double pinwheel escapement - Franklin Institue - DSC06667.JPG
1850 MacDowall single pin escapement - Franklin Institue - DSC06671.JPG
Amazing Machine collection - Franklin Institute - DSC06638.JPG
KVO-9 water-cooled insulation garment - Franklin Institute - DSC06695.JPG
Nairne London telescope - Franklin Institute - DSC06712.JPG
Nairne London telescope - Franklin Institute - DSC06714.JPG
Sundial, Chinese, Kangshi Dynasty c. 1700 - Franklin Institute - DSC06699.JPG
Baldwin 60000 locomotive - Franklin Institute - DSC06720.JPG
English Colliery locomotive model, 1812 - Franklin Institute - DSC06727.JPG
People's Railway Locomotive No. 3 - Franklin Institute - DSC06724.JPG
People's Railway Locomotive No. 3 - Franklin Institute - DSC06725.JPG
Benjamin Franklin's electrostatic generator, maker unknown, c. 1745 - DSC06559.JPG
Wright Brother airfoils and notes - Franklin Institute - DSC06572.JPG
Wright Brother airfoils and notes - Franklin Institute - DSC06573.JPG
Wright Brother airfoils and notes - Franklin Institute - DSC06574.JPG
Wright Brother airfoils and notes - Franklin Institute - DSC06575.JPG
Wright Brothers electrical control device - Franklin Institute - DSC06590.JPG
Wright Brothers wing balancing device - Franklin Institute - DSC06589.JPG
Benjamin Franklin bust after Jean-Jacques Caffieri, c. 1800 - Franklin Institute - DSC06686.JPG
Benjamin Franklin bust by Samuel Skillin, c. 1770-1785 - Franklin Institute - DSC06602.JPG
USS Franklin figurehead, c. 1853, by Woodbury Gerrish - Franklin Institute - DSC06600.JPG
Centrifuge, operating model, maker and date unknown - Franklin Institue - DSC06622.JPG
Hammond No. 1, Hammond Typewriter Co., NYC, 1888 - Franklin Institue - DSC06628.JPG
Henri Maillardet automaton, London, England, c. 1810 - Franklin Institute - DSC06656.jpg
Henri Maillardet automaton, London, England, c. 1810 - Franklin Institue - DSC06658.JPG
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