All Surveying related patents through 1900
Plus a selection of 20 patents from the first decade of the 20th century
Full text and illustrations scanned at high resolution for printing
Over 200 patents indexed by date and inventor for easy retrieval
Compasses - Transits - Solar Attachments - Levels
Chains - Stadia Rods - Targets - Rangefinders
Any U.S. Patent for a patented 19th C. instrument in your collection is now just a mouse click away. View the patent onscreen at any magnification, or print a copy on your laser printer, complete with full page illustrations and all text.
Over 200 patents in Acrobat format
Adobe Acrobat 4 for win 95/98 is included on the CD-ROM
Acrobat 4 for other platforms is available free on the Adobe website
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© 1999, American Artifacts, Taneytown, MD.