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Catalog of Drawing Materials, Blue Print Papers, and Surveying Instruments

Keystone Blue Paper Co., Philadelphia, Pennsylvania, USA

publication date
market 		circa 1910
USA
Keystone Blue Paper Co. c1910 cover Keystone Blue Paper Co. c1910, page 188 Keystone Blue Paper Co. c1910, page 189 Keystone Blue Paper Co. c1910, page 191
cover page 188 page 189 page 191

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Keystone Blue Paper Co., catalog circa 1910, p 189  
  
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