| Sub-Type | Rulers |
|---|---|
| Type | Engineering/ Surveying |
Check the listing for details. Radiographic Exposure Slide Rule Calculator - Model 534 With Reference Card. Condition: Used. Listed at 24.99 USD. The Radiographic Exposure Slide Rule Calculator, Model 534, is a specialized tool used in engineering and surveying for accurately determining radiographic exposure settings. This slide rule calculator serves as a precise ruler for various calculations related to engineering and surveying projects. With its focus on precision and efficiency, this collectible item appeals to those interested in science and technology, making it a valuable addition to any engineering or surveying collection. Examine pictures carefully. Includes reference card.