Cover image for Some modifications in methods of calibration of universal ratio sets.
Some modifications in methods of calibration of universal ratio sets.
Title:
Some modifications in methods of calibration of universal ratio sets.
Author:
Ramaley, David, 1828-1914.
Personal Author:
Publication Information:
Washington, D.C. : U.S. Govt. Print. Off., 1964.
Physical Description:
20 pages : illustrations ; 28 cm.
Language:
English
Format :
Book