Lot 0322

Ethel L Law Patent "Numeric Demonstrator" Model 3, c.

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American Brick Kiln Patent Model - c. 1870: Circa 1870, various woods. Retains original patent tag and label for John Eisele, Ann Arbor, Michigan. Label dated December 27, 1870. Applicant's name and information also painted on the side of

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19TH C. US PATENT OFFICE MODEL: Wooden Model of a Washing Machine (clothing), in closed octagonal form, for Patent No. 127,545, issued to Granville H. Ashworth and Abraham F. Van Voorhis of Arcola, Illinois, dated June 4th, 1872. 3"

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Patent Model Refridgerator: 10" high with side door patent tag dated 1879

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A. Harshberger Washing Machine Patent Model.: A. Harshberger Washing Machine Patent Model. Patented Dec. 17th, 1878. Brass and wood with original finish. Accompanied with the original hang tag and a copy of papers and drawings from patent office.

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Patent model, "Fire Escape", by T.L. Bennett 1878: Patent model, "Fire Escape", by T.L. Bennett, patent No. 203,527, issues May 14 1878, with original tag, in good condition. All items sold as is, all sales final, contact us if you need more informati

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French Patent Model of a Roof: French Patent Model of a RoofArticulating top.Turn of the Century14" x 5" 5.5"

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Ethel L Law Patent "Numeric Demonstrator" Model 3, c.

Item Details

Description

'Ethel L Law Patent "Numeric Demonstrator" Model 3, c. 1900
England. Mahogany case with fall front and hinged lid, size 23 x 5 x 2 ¾ in., an elementary arithmetical teaching device, consisting of wooden rods in various sizes with squared paper pasted on them in order to show multiplication visually.

'Ethel L Law Patent "Numeric Demonstrator" Modell 3, um 1900
England. Mahagonikasten mit klappbarer Front und Deckel, Größe 58 x 13 x 7 cm. Ein elementares arithmetisches Lehrgerät, bestehend aus Holzstäben in verschiedenen Größen, auf die Papier mit quadratischen Felder geklebt ist, um Multiplikation visuell darzustellen.

Start Price: EUR 180

Condition

(3/2)

Buyer's Premium

23.8%

Ethel L Law Patent "Numeric Demonstrator" Model 3, c.

Name: Ethel L Law Patent \"Numeric Demonstrator\" Model 3, c.
SKU: 91488115
Price: 400 EUR
Availability: InStock

Estimate €300 - €400

See Sold Price

Starting Price €180

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