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Weston Foot-Lambert Meter, US $100.00 – Picture 0
Weston Foot-Lambert Meter, US $100.00 – Picture 1
Weston Foot-Lambert Meter, US $100.00 – Picture 2
Weston Foot-Lambert Meter, US $100.00 – Picture 3
Weston Foot-Lambert Meter, US $100.00 – Picture 4
Weston Foot-Lambert Meter, US $100.00 – Picture 5
Weston Foot-Lambert Meter, US $100.00 – Picture 0
Weston Foot-Lambert Meter, US $100.00 – Picture 1
Weston Foot-Lambert Meter, US $100.00 – Picture 2
Weston Foot-Lambert Meter, US $100.00 – Picture 3
Weston Foot-Lambert Meter, US $100.00 – Picture 4
Weston Foot-Lambert Meter, US $100.00 – Picture 5

Weston Foot-lambert Meter

US $100.00

  • Sicklerville, New Jersey, United States
  • Jan 29th
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Weston Model 759 Foot-Lambert Meter Includes Weston Phototric Cell Built for use with this meter Protective metal, foam-lined box A foot-lambert or footlambert (fL, sometimes fl or ft-L) is a unit of luminance in United States customary units and some other unit systems. A foot-lambert equals 1/? candela persquare foot, or 3.426 candela per square meter (the corresponding SI unit). The foot-lambert is named after Johann Heinrich Lambert (1728–1777), a Swiss-German mathematician, physicist and astronomer. It is rarely used by electrical and lighting engineers, in favor of the candela per square foot or candela per square meter. The luminance of a perfect Lambertian diffuse reflecting surface in foot-lamberts is equal to the incident illuminance in foot-candles. For real diffuse reflectors, the ratio of luminance to illuminance in these units is roughly equal to the reflectance of the surface.
Condition Used :
An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.
Seller Notes “We thorougly check out all our items”

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