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Vintage Keuffel & Esser K&E Flexible Curve Ruler & Straightedge, Draft Lot
$79.99
Vintage Keuffel & Esser Collimator Scope Model# 71 4030 w/ Original Wooden Case
$750.00
Vintage Keuffel & Esser NY Coal Mining Anemometer Wind Air Flow Mine Meter
$75.57
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