In the order administration dated 24 December 1887 was
the order for account of the Dutch Department of War described as the delivery
of 38-15cm of ƒ 546 each, totally ƒ 20.748 and 38-10cm mortar carriages of each
ƒ 290, totally ƒ 11.020. Totally contracted price ƒ 31.768. Building costs
totally ƒ 29.875,34 (material and miscellany ƒ 10.169,62, labour ƒ 12.316,12,
60% expenses ƒ 7.389,60) resulting in a profit of ƒ 1.892,66.
Source
Archive Kon. Mij. De Schelde, Vlissingen, Netherlands 1875-1970
(Municipality Archive Vlissingen T.214.1216).
