Vintage C Thru Ruler Company PS 69 Proportional Scale Circular Slide Rule Tool
4.9 (143 items)
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Product details
| Management number | 40510548 | Release Date | 2026/01/11 | List Price | $16.80 | Model Number | 40510548 | ||
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| Category | |||||||||
Vintage C Thru Ruler Company PS 69 proportional scale circular slide rule tool. This vintage tool features scales for finding new proportional sizes by lining up dimensions on inner and outer scales, and for calculating percentages of enlargement or reduction. Designed for artists graphic designers and architects to assist with scaling and proportion calculations. Useful for precise layout planning and design work.
Type: Ruler
Material: Plastic
System of Measurement: Metric/Standard
Features: Measurement of Length
Country of Origin: United States
Unit Type: Unit
| Category | Office > School Supplies > Rulers |
|---|---|
| Size | N/A |
| Brand | None |
| Condition | Good |
Rulers
Nuts & Seeds
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