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CH32801A - Counting frame for schools - Google Patents

Counting frame for schools

Info

Publication number
CH32801A
CH32801A CH32801A CH32801DA CH32801A CH 32801 A CH32801 A CH 32801A CH 32801 A CH32801 A CH 32801A CH 32801D A CH32801D A CH 32801DA CH 32801 A CH32801 A CH 32801A
Authority
CH
Switzerland
Prior art keywords
schools
counting frame
counting
frame
Prior art date
Application number
CH32801A
Other languages
German (de)
Inventor
Co Kaiser
Original Assignee
Kaiser & Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kaiser & Co filed Critical Kaiser & Co
Publication of CH32801A publication Critical patent/CH32801A/en

Links

CH32801A 1905-04-28 1905-04-28 Counting frame for schools CH32801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH32801T 1905-04-28

Publications (1)

Publication Number Publication Date
CH32801A true CH32801A (en) 1905-09-15

Family

ID=4252549

Family Applications (1)

Application Number Title Priority Date Filing Date
CH32801A CH32801A (en) 1905-04-28 1905-04-28 Counting frame for schools

Country Status (1)

Country Link
CH (1) CH32801A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527080A (en) * 1948-02-09 1950-10-24 Ralph E Rickard Abacus
US2555781A (en) * 1948-03-06 1951-06-05 Bristol Margaret Tally device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527080A (en) * 1948-02-09 1950-10-24 Ralph E Rickard Abacus
US2555781A (en) * 1948-03-06 1951-06-05 Bristol Margaret Tally device

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