Description marking of the current meter for taking the tests for the speed of the current
device for measuring the flow velocity of rivers and other inland waters. Technique: etching. Document type: print
manufacturer: brunings, christiaan
veelwaard, daniel (1766-1851)
conrad, frederick william
collection: amsterdam city archives collection: drawings and prints
dating: 1798
inventories: http://archief. Amsterdam/archief/10097/010097016115
image file: 010097016115. Date: 1798.