Legal Metrology Department

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The National Physical Laboratory (NPL) is the measurement Standards laboratory in India, which calibrates National Standards of weights and measures. It is involved in research and assist industries, national & other agencies for the development of high precision measuring devices. NPL is under CSIR and was formed on January 4, 1947 with Dr. K. S. Krishnan as the first Director.

The National Physical Laboratory is the premier research laboratory in India in the field of physical sciences. It has developed core competencies in standards, apex level calibration, engineering materials, electronic materials, materials characterization, radio and space physics, global change and environmental studies, low temperature physics, and instrumentation.

NPL Campus is 21 km from the Indira Gandhi International Airport and 6.5 km from the New Delhi Railway Station.

National Physical Laboratory
Dr. K.S. Krishnan Marg
New Delhi - 110012
Phone: 91-11-45609212, 91-11-25742610, 91-11-25742611, 91-11-25742612
Fax: 91-11-45609310, 91-11-25726938.

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Weights - State Museum, Bhubaneshwar, India



'Para' measure from Kerala used to measure grains (rice)



Measures from China

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An hourglass, also known as a sandglass, sand timer or sand clock, is a device for the measurement of time.



Vintage measuring cups



Vintage tape measure

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Balance





Counter Scale

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Vintage brass weights



Stone weights, Kerala

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Ancient weights and measures from Britain

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Knob type brass weights



Vintage Pouring can