Brown - figure 367

Description

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.

Linked items

Documents:

507 mouvements mécaniques

Permanent links

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

Data provider

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

Follow us

Newsletter

Brown - figure 367