Is this a real patent?

Yes — the original drawing as filed at the U.S. Patent Office, cleaned and printed. Public domain by law.

Printed in Europe on 200 g/m² matte paper. Small sizes ship flat, 50 × 70 ships rolled in a tube. Tracking by email.

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US 1,948,384Method and apparatus for the acceleration of ions1934

PD-52 · US 1,948,384

Name: Method and apparatus for the acceleration of ions Patent Print (1934)
Brand: PATENT DEPT.
SKU: PD-52
Availability: InStock

Ernest Lawrence's cyclotron — a particle accelerator that fit on a desk and won the 1939 Nobel Prize.

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PD-52 · US 1,948,384 · Filed January 26, 1932 ·

Is this a real patent?: Yes — the original drawing as filed at the U.S. Patent Office, cleaned and printed. Public domain by law.
How is it shipped?: Printed in Europe on 200 g/m² matte paper. Small sizes ship flat, 50 × 70 ships rolled in a tube. Tracking by email.
What if it arrives damaged?: Send a photo within 7 days and we reprint and reship it free.