Termómetro público de Mercurio
A very old public mercury-in-glass thermometer (invented by German physicist Daniel Gabriel Fahrenheit), found in San Luis Potosi’s downtown. Such thermometers used to be placed in public sight by the city government to inform people of special meassures to be taken in case of extreme temperatures.
Camera: Canon EOS 400D Digital
Exposure: 0.01 sec (1/100)
Aperture: f/2.8
Focal Length: 153 mm
ISO Speed: 1600
Exposure Bias: +1/3 EV
Flash: Off, Did not fire
+4: 
+3: 
+2: 