Rare Antique J. Hemmi "Sun" Slide Rule – Pre-1928 Model

Rare J. Hemmi "Sun" Slide Rule – Pre-1928 Model

This rare vintage J. Hemmi "Sun" slide rule is a remarkable example of early 20th-century precision engineering. Made in Japan, it is a sought-after collector’s piece, showcasing craftsmanship and historical significance.

The slide rule bears the signature "J. Hemmi", distinguishing it as an early model produced before 1928, when the company began using only the "Hemmi" branding. The cursor is marked "Made in Bavaria," further enhancing its historical allure. Its patented designs reflect the ingenuity of the era, with Japanese Patent 22129 (1912), British Patent 107562 (1917), and Brevete S.G.D.G. engravings proudly displayed.

🌟 Key Features:
Maker: J. Hemmi "Sun"
Origin: Made in Japan; cursor marked "Made in Bavaria"
Patents:
Japan: 22129 (1912)
British: 107562 (1917)
Brevete S.G.D.G.
Era: Early 20th century, pre-1928 model signed "J. Hemmi"
A valuable addition for collectors of vintage slide rules or scientific instruments

📏 Measurements:
28cms long, 3.3cms wide

📦 Condition:
No box
Good condition, some glue residue which may clean off. Scratches to the cursor

📦 Shipping:
Securely packaged to ensure safe delivery. Ready to dispatch within 1-2 business days.

This J. Hemmi "Sun" slide rule is not just a tool but a piece of history, perfect for enthusiasts of vintage scientific instruments or early Japanese manufacturing heritage.

Please study the photos and use your zoom function for detail, as they form part of the description. Further photos may be taken and sent direct to you if required, please send us a message

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Please note that all of our items are vintage/pre-owned, and any significant damage or wear and tear always be highlighted.

We post using recycled packaging whenever possible, don’t be surprised by what it says on the outside of the box on occasion!

We will are happy to post Worldwide, we always send tracked post which costs a bit more, but we will not send outside of the UK otherwise. We are unable to offer delivery time guarantees outside the UK. We do not make any profit on our post and packing.

Please take a look at our other vintage and antique treasures in our shop. We will combine postage if you wish to purchase more than one item, just get in touch.

Thank you for looking and happy shopping!