Deprecated function: Creation of dynamic property MergeQuery::$condition is deprecated in MergeQuery->__construct() (line 1357 of /home/UiaQ64igiG0ni2KR/hasi_gr/public_html/includes/database/query.inc).
Deprecated function: Creation of dynamic property DatabaseCondition::$stringVersion is deprecated in DatabaseCondition->compile() (line 1887 of /home/UiaQ64igiG0ni2KR/hasi_gr/public_html/includes/database/query.inc).
Deprecated function: Creation of dynamic property DatabaseCondition::$stringVersion is deprecated in DatabaseCondition->compile() (line 1887 of /home/UiaQ64igiG0ni2KR/hasi_gr/public_html/includes/database/query.inc).
Deprecated function: Creation of dynamic property DatabaseCondition::$stringVersion is deprecated in DatabaseCondition->compile() (line 1887 of /home/UiaQ64igiG0ni2KR/hasi_gr/public_html/includes/database/query.inc).
Deprecated function: Creation of dynamic property DatabaseCondition::$stringVersion is deprecated in DatabaseCondition->compile() (line 1887 of /home/UiaQ64igiG0ni2KR/hasi_gr/public_html/includes/database/query.inc).
Archimedes buoyancy cylinders
The apparatus consists of two brass-made cylinders with a hook. The one cylinder is inside the other one. The external cylinder has an open base, but the internal cylinder is closed. This apparatus has been repaired.