In the past few years I have built up a collection of old books and technical instruments from the 15th to 18th Century.
It's now time to sell my collection. Books are sold in an auction sale in November 2013.
Scintific instruments are now for sale by this web site during 2014.
Dividers, Drawing Instruments, Surveying Instruments and others
Practical Geometry, Surveying, Tables
Book collection is sold!
My book collection was sold as part of the November auction 2013 by Zisska & Schauer