Mary Morgan and I have information about MONIACS in the UK and the = 
Netherlands, and described the working and reception of the MONIAC in a = 
chapter "Secrets hidden by two-dimensionality: the economy as a = 
hydraulic machine, in Models: the third dimension of science, edited by = 
S de Chadarevian and N. Hopwood, Standford University Press, 2004. 
 
Marcel Boumans