I’ve talked before about Irving Fisher’s hydraulic model of the economy. Here is a 2005 article that appears to discuss all its pieces and parts in detail.
How to Compute Equilibrium Prices in 1891
William C. Brainard and Herbert E. Scarf
The American Journal of Economics and Sociology
Vol. 64, No. 1, Special Invited Issue: Celebrating Irving Fisher: The Legacy of a Great Economist (Jan., 2005), pp. 57-83
Published by: American Journal of Economics and Sociology, Inc.
Stable URL: http://www.jstor.org/stable/3488117
Page Count: 27