Mathematisch-Physikalischer Salon, Dresden
Among its holdings, the Mathematisch-Physikalischer Salon in Dresden owns an excellent collection of early modern mathematical instruments whose scales were based on values of specific weights, including sectors and gunner's rods.
Here is an inventory list of relevant instruments, with links to further information (linked pages will soon provide more data, including detailed analyses of scales)
Inventory list of instruments
Reduction compass, inventory number: MPS A I 11
French sector, inventory number: MPS A I 26
French sector, inventory number: MPS A I 32
Sector, inventory number: MPS A I 33
Sector, inventory number: MPS A I 44
Sector, inventory number: MPS A I 44a
French sector, inventory number: MPS A I 97
French sector, inventory number: MPS A I 110
Sector, inventory number: MPS A I 115
Sector/proportional compass, inventory number: MPS A I 125
French sector, inventory number: MPS A I 126
Sector, inventory number: MPS A I 132
Gunner's gauge scale, inventory number: MPS B I 13
Gunner's gauge scale, inventory number: MPS B I 14
Gunner's gauge scale, inventory number: MPS B I 212
Measuring rod, inventory number: MPS B I 229
Gunner's level, inventory number: MPS C V 7
Gunner's sight and gauge scale, inventory number: MPS C V 39
"Pendelrichtsextant" with gunner's gauge scale, inventory number: MPS C V 40
French sector, Uninventoried