K&E 1749-1 --- 10" Student's Slide Rule
Pre 1900
From an eBay sale by Ron Knapp
The predecessor of the 4058 is the 1749-1. The 1749-1 was shown in the 1897 and 1899 K&E catalogs. The cursor is made of celluloid with a metal frame.
Front with cursor
Front without cursor
Back side
Close ups of cursor
Right end view
Left end view