Vintage 1940s Keuffer & Esser Co NY slide ruler leather case 13” marked drafting
Vintage 1940s Keuffer & Esser Co NY slide ruler leather case 13” marked drafting
National Museum of American History
Product NEWEL PROPS
Products – Ted Dawson Antique Tools
Products – Ted Dawson Antique Tools
4 and 6 sizes (Measured from the pivot point). The smaller size is heavier stock. Larger marked Japan. One is New Old Stock.
TWO PAIRS OF DIVIDERS
Proportional Divider for sale
Proportional Divider for sale
Products – Ted Dawson Antique Tools
Ted Dawson Antique Tools
Proportional Divider for sale