# Antique Precision Polar Planimeter by HAFF Pfronten - Serial No. 2296

Up for sale is a beautiful, highly collectible antique precision polar planimeter manufactured by the prestigious German maker **Gebrüder HAFF (Pfronten, Bavaria)**. 

This sophisticated mathematical instrument features the authentic early **HAFF factory stamp (the stylized letter "H" enclosed in a circular "@" loop)** stamped directly into the brass arm. It is an exceptional find for collectors of antique scientific instruments, drafting tools, or German precision engineering.

### Item Details:

* **Manufacturer:** Gebrüder HAFF (Pfronten, Germany)

* **Serial Number:** No. 2296 (engraved directly on the main body)

* **Authenticity Stamp:** Features the famous historical HAFF "H-loop" logo stamped on the brass components.

* **Scale Sheet Included:** Comes with its original hand-annotated paper calibration sheet/table ("Meter-Mass D.S.D.") matching the serial number 2296, showing ratios like 1:1000, 1:2000, and 1:5000.

* **Accessories:** Complete with the brass tracer arm, weighted cylinder anchor, and fine tracing needles.

* **Storage:** Original luxury presentation hard case with a rich velvet interior lining.

### Condition Report:

* **Planimeter:** Excellent antique condition. The mechanical integration, measuring wheels, and vernier dials move smoothly. The numbers and graduation marks remain incredibly sharp and legible. Very minor, natural age-related patina on the brass and steel elements.

* **Paper Certificate:** Completely intact with authentic aging, crisp handwriting, and no major tears. A rare surviving piece of history!

* **Case:** Excellent structural condition. The exterior covering is clean with minimal shelf wear. The plush velvet lining has preserved its deep color beautifully, providing a secure fit for all components. Hinges and latches function perfectly.

*Please review all high-resolution pictures to inspect the excellent cosmetic condition yourself.*

### Shipping:

Expertly packed with professional padding to guarantee safe transit. Worldwide tracked shipping.