More Dutch gun weights from 1653

One of the best things about the last month has been the discovery of quite a few Dutch gun inventories, showing gun weights. I believe that all these date from 1653. Here are some more representative examples:

Material  shot weight    weight of piece  Special
Bronze    24 lbs         4806 lbs
Iron      18 lbs         3500 lbs
                         3590 lbs
Bronze    12 lbs         1556 lbs         klokwijs
                         1592 lbs         klokwijs
Iron      12 lbs         3225 lbs
                         3150 lbs
                         3300 lbs
                         3015 lbs
                         2930 lbs
Iron       8 lbs         2320 lbs
                         2210 lbs
                         2150 lbs
                         2075 lbs
Iron       6 lbs         2560 lbs
                         2520 lbs
                         2400 lbs
                         2240 lbs
                         2000 lbs
                         1900 lbs
                         1825 lbs
Iron       5 lbs         1420 lbs
                         1365 lbs
Iron       3 lbs          980 lbs
                          730 lbs