Keuffel and Esser Favorite Slide Rule, K & E 1950s Model N4058W Wedgwood The beige tile measures approximately

The beige tile measures approximately 6" square x 1/4" thick

highly collectible piece of political memorabilia is from one of the most well known of all the political conventions

The plate measures approximately 6 3/4" in diameter

in good vintage condition (see photos)

Keuffel and Esser Favorite Slide Rule, K & E 1950s Model N4058W Wedgwood The beige tile measures approximatelyThis is a vintage Keuffel and Esser Beginner's Slide Rule, model 4058W. Manufactured from 1950's, the 10" Mannheim type slide rule was constructed on a wood frame with a celluloid overlay laminated ruled surface with a plastic curser. The rule is in vintage condition with edge wear and finish wear. The cursor is still clear with minimal scratches. Include case which is worn and torn, as found, doesn't fully fit the ruler, likely not original. I'll