J Halden & Co Ltd 'Calculex' circular calculator, c. 1915, with case and instruction booklet.
Details
- Category:
- Mathematics
- Object Number:
- YL1973.1
- Materials:
- brass (copper, zinc alloy), glass, leather, metal (unknown), paper (fibre product) and wood (unidentified)
- Measurements:
-
case: 42 mm x 200 mm x 168 mm,
- type:
- slide rule
- taxonomy:
-
- furnishing and equipment
- tools & equipment
- calculator
- credit:
- Courtesy of Mrs. B.H. Shaw
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
Download
Download catalogue entry as json
View 
manifest in IIIF viewer
Add to Animal Crossing Art Generator
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.
