Vintage Savings Account Slide Rule \'Calculator\' (1961) For Sale
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Vintage 1961 Savings Account Calculator using slide rule calculator to compute amounts you\'ll have at a 4 1/2 percent compound semiannual interest rate. This calculator was created for the St. Luis County Federal Savings & Loan Association. It is a great vintage education piece that despite being dated, holds true to demonstrating the value of saving money. (Watch Your Money Grow)