DK30607C - Instrument for Division and Multiplication of Angles. - Google Patents

Instrument for Division and Multiplication of Angles.

Info

Publication number
DK30607C
DK30607C DK30607DA DK30607C DK 30607 C DK30607 C DK 30607C DK 30607D A DK30607D A DK 30607DA DK 30607 C DK30607 C DK 30607C
Authority
DK
Denmark
Prior art keywords
multiplication
division
angles
instrument
Prior art date
Application number
Other languages
Danish (da)
Inventor
Johannes Frederik Valkenburgh
Original Assignee
Johannes Frederik Valkenburgh
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 Johannes Frederik Valkenburgh filed Critical Johannes Frederik Valkenburgh
Application granted granted Critical
Publication of DK30607C publication Critical patent/DK30607C/en

Links

DK30607D 1920-01-09 1921-01-06 Instrument for Division and Multiplication of Angles. DK30607C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL30607X 1920-01-09

Publications (1)

Publication Number Publication Date
DK30607C true DK30607C (en) 1922-11-06

Family

ID=19755356

Family Applications (1)

Application Number Title Priority Date Filing Date
DK30607D DK30607C (en) 1920-01-09 1921-01-06 Instrument for Division and Multiplication of Angles.

Country Status (1)

Country Link
DK (1) DK30607C (en)

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