Brass 18-inch rolling parallel rule with adjustabl

Made:
1866-1876

Brass 18-inch rolling parallel rule with adjustable line spacing device, by Elliott's patented 1866 and inscribed "Davies's Patent Proportional Parallel Rule", in mahogany case

Details

Category:
Mathematics
Object Number:
1987-1183
type:
parallel rule
credit:
Phillips
status:
Permanent collection

Cite this page

Rights

We encourage the use and reuse of our collection data.


Data in the title, made, maker and details fields are released under Creative Commons Zero


Descriptions and all other text content are licensed under a Creative Commons Attribution 4.0 licence

Using our data

Download

Download catalogue entry as json

Download manifest IIIF

Our records are constantly being enhanced and improved, but please note that we cannot guarantee the accuracy of any information shown on this website.