scholarly journals A new method for the absolute measurement of electric quantity

1910 ◽  
Vol 6 (4) ◽  
pp. 503
Author(s):  
B. McCullom
Keyword(s):  
Absolute Measurement ◽  
New Method ◽  
The Absolute ◽  
Electric Quantity

A new method for the absolute measurement of reflectivity

1966 ◽  
Vol 35 (274) ◽  
pp. 861-866 ◽  
Author(s):  
P. M. D. Bradshaw ◽  
R. Phillips ◽  
R. A. Smith
Keyword(s):  
Light Beam ◽  
Normal Incidence ◽  
Absolute Measurement ◽  
New Method ◽  
Spectral Reflectivity ◽  
The Absolute

SummaryThe theory of a new method for the determination of reflectivity at truly normal incidence is described. A parallel light beam falls on the specimen after passing through a glass cube with semi-silvered diagonal mounted at the centre of an optical goniometer. The various reflected beams are measured by a photomultiplier fixed to the telescope of the goniometer. Experiment has proved the validity of the method and the spectral reflectivity of pyrite in air and in oil has been investigated.

A New Method for the Absolute Measurement of High Pressures

Nature ◽  
1955 ◽  
Vol 176 (4474) ◽  
pp. 188-189 ◽  
Author(s):  
R. S. DADSON
Keyword(s):  
High Pressures ◽  
Absolute Measurement ◽  
New Method ◽  
The Absolute
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