German Logarithmic Slide Rule - A.W. Faber Castell Electro 1/98

Click any image to enlarge

Posted by sourcreamking

5 years ago

AI Appraisal

💬 0 Comments 🗣️ Discuss with Community

Description

I would love if someone could identify how old this ruler is, and what it's worth...

I find them at auctions going from $20-200. I believe mine is mid 1930's, made in Germany, with german writing on the back. Some of these have dates on the ruler itself, but I can't find any on mine.

More photos: https://imgur.com/gallery/CiAbbrU

Category Scientific Instruments

Medium Wood, metal ++

Distinguishing marks A.W. Faber Castell
Electro
1/98

Condition Excellent

Date Period 1920-1940

💎 Have another item? Upload photos for a free appraisal →

⚠️ You have 1 free appraisal left today Upgrade for 15-30/day →

Want more from your appraisals?

Upgrade for PDF reports, more daily appraisals, and ad-free experience.

View Plans →

⚠️ Legal Disclaimer

This appraisal is provided for informational and educational purposes only and does not constitute a certified, licensed, or formal appraisal.

Appraisal values are estimates based on submitted information, publicly available data, and input from InstAppraisal community, and may vary due to condition, provenance, regional demand, or additional information.

Appraisals must not be relied upon for insurance, legal, tax, or estate purposes without independent professional verification. InstAppraisal makes no guarantees regarding accuracy, completeness, or suitability for any specific use.

German Logarithmic Slide Rule - A.W. Faber Castell Electro 1/98

Related Appraisals