Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Kunkler Edward
Original Assignee
Kunkler Edward
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Filing date
Publication date
Application filed by Kunkler EdwardfiledCriticalKunkler Edward
Priority to ES4335ApriorityCriticalpatent/ES4335A2/en
Publication of ES4335A2publicationCriticalpatent/ES4335A2/en
ES4335A1884-07-011884-07-01
Improvements in the method used to prepare surfaces for painting or engraving by means of photography.
ExpiredES4335A2
(en)
A mathematical mechanical procedure for the contrast of weights and heavy weights, by means of balance, avoiding the use of defective or missing weights.