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Antique Richter Mechanical Dotted Line Pen Drafting Tool W Wheels Germany & Case

Antique Richter Mechanical Dotted Line Pen Drafting Tool W Wheels Germany & Case Engineering photo   Category : Science & Medicine (Pre-1930) > Engineering
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Antique Richter Mechanical Dotted Line Pen Drafting Tool W Wheels Germany & Case Engineering photo 1Antique Richter Mechanical Dotted Line Pen Drafting Tool W Wheels Germany & Case Engineering photo 2Antique Richter Mechanical Dotted Line Pen Drafting Tool W Wheels Germany & Case Engineering photo 3Antique Richter Mechanical Dotted Line Pen Drafting Tool W Wheels Germany & Case Engineering photo 4
Antique Richter Mechanical Dotted Line Pen Drafting Tool W Wheels Germany & Case Engineering photo 5Antique Richter Mechanical Dotted Line Pen Drafting Tool W Wheels Germany & Case Engineering photo 6

    

Uploaded by nastacia-a on May 8, 2017
        
Known Information
Category : Science & Medicine (Pre-1930) > EngineeringItem Id: 188529
More info
Time Period1900's.
SizeThe box is: 3 1/2" x 3" x 1"
This is the original mechanical ruling pen patented by E. O. Richter (c1841-1907), which is used for drawing dotted lines against a rule
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