Used: An item that has been previously used. See the seller’s listing for full details and description of ... Read moreabout the condition
|Period:||1951 to Present||Sub-Type:||Slide Rules|
This is a slide rule and its original stiff-cardboard carrying case.
The rule is 31 cm long and 4 cm wide.
The slide has a trade mark "pick" with the letters 'P I O' through it.
It also has "Pat. N. 411090".
It is in very good condition considering it has not been used for many years.
Return policy details
The seller won't accept returns for this item.
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