Vintage Pickett Slide Rules, N4, N4p, Metal, Yellow, Leather Cases; Original Box For Sale -

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Vintage Pickett Slide Rules, N4, N4p, Metal, Yellow, Leather Cases; Original Box:
$355.00

Never used, Mint Condition. Rules are in plastic wrap. In original box are 2 high quality leather cases, 2 manuals, and original registration form. Manuals; \"How to Use Dual Base Log Log Slide Rules\", copywriter 1947; and \"How to Use Ln-L Scale Slide Rules\" by Professor Maurice L. Hartung.

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