اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Author: Stanley, W.
Title: Instruction for Using a Slide Rule
Language: English
LoC Class: QA: Science: Mathematics
Subject: Slide-rule -- Handbooks, manuals, etc.
Release Date: Dec 29, 2006
Copyright Status: Public domain in the USA.
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