offers the largest variety of slide rules for sale anywhere, plus a wide variety of other instruments, including drafting tools, planimeters, calculators, musical wind instruments and related books, catalogs, and manuals.
Selected Items - Easy Ordering:
The Selected Items - Easy Ordering
section shows a very nice selection of
mainly new items (though all were made many years ago), especially slide rules.
It includes easy, online ordering. This is a good place to start when
looking for single items, for your own use or for gifts.
For collectors and anyone seeking specific items. Thousands of slide rules, drafting instruments, planimeters, calculators, aviation rules, cardboard slide charts, musical wind instruments, etc. Search Total Catalog