Support ISRM Curator
I am the curator of the International Slide Rule Museum. ISRM is the world's largest free digital repository of all things concerning slide rules and other math artifacts. ISRM is an IRS 501(c)(3) (A57 - Science and Technology Museums) non-profit corporation through the State of Colorado. Colorado ID Number 20181884948, IRS EIN 83-2486423.
