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5 th INTERNATIONAL PLUMB BOB COLLECTORS MEETING IN
 PISA, ITALY June 14, - 17, 2014  

For download of the REPORT OF THE MEETING IN PISA part 1 click on the marked text.

Riccardo Chetoni is opening the biggest plumb bob exhibition in the world

Riccardo Chetoni is preparing the board with Anatolian plumb bobs.

View to the display board in the church "Chiesa della Spina"

3 legionnaires of the LEGIO X from Rome are presenting the use of the GROMA, a Roman surveying instrument (surveyor's cross)

Experts are discussing about the GROMA













PROGRAM OF THE 5th INTERNATIONAL PLUMB BOBCOLLECTORS MEETING IN PISA, ITALY on JUNE 14-17 2014