Brown - figure 367

Beschreibung

A parallel ruler with which lines may be drawn at required distances apart without setting out. Lower edge of upper blade has a graduated ivory scale, on which the incidence of the outer edge of the brass arc indicates the width between blades.

Verknüpfte Datensätze

Dokumente:

507 mouvements mécaniques

Permanentlinks

DMG-Lib		https://www.dmg-lib.org/dmglib/handler?image=21137023
Europeana		http://www.europeana.eu/portal/record/2020801/dmglib_handler_image_21137023.html

Datenbereitsteller

IFMA		http://www.ifma.fr
BCU		http://bibliotheque.clermont-universite.fr

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Brown - figure 367