I have the following full and complete sets of mechanical drawing/drafting tools for sale:
*Pickett #1503NC made in Germany in partitioned plastic case; $20
*Dietzgen Commander made in USA in partitioned, wallet-fold 2-snap case; $30
Before calculators we used slide rules – I have the following for sale:
*Pickett #121 Microline single-sided slide rule; $15
*Keuffel and Esser Co. #4058 single-sided slide rule, case and instructions; $20
*Alvin Concise Circular double-sided slide rule, plastic sleeve, case and instructions - made in Japan; $25
I have the following 12-inch 6-scale triangular architect/engineering/map scales for sale:
*Morilla #1400 fractional, 1:1, 1:3 architect ratios; $5
*Alvin #244P fractional and 1:50 ratios in 2-part plastic case; $5
*Fullerton #3715 1:10-60 engineering ratio in 2-part plastic case; $5
*Dieterich-Post topographic map ratios in cardboard case; $10
*Koh-I-Noor #8230M03 1:2.5-100 engineering ratios; $10
*Koh-I-Noor #3272 fractional, 1:1, 1:3 architect ratios in 2-part plastic case; $5
Items suitable for engineering, architecture, artists, graphic design, mappers, doodlers to name a few applications. I can deal if you want multiple items.