To: GSlob
Some were used as ballast for sailing ships.
21 posted on
07/20/2004 6:53:43 AM PDT by
azhenfud
("He who is always looking up seldom finds others' lost change...")
To: azhenfud
I believe stones were used for ballast: cheaper (so one does not have to make them), more dense than brick (i.e. take less space), and available if not at the point of origin, then at almost any destination.
26 posted on
07/20/2004 7:13:58 AM PDT by
GSlob
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