Holtzapffel's "Library sketching or pocket-book scale"
- designer:
- Holtzapffel and Company
Holtzapffel's "Library sketching or pocket-book scale", with descriptive leaflet, date 1849
Details
- Category:
- Mathematics
- Object Number:
- 1917-82
- type:
- drawing instruments and scales (rules)
- credit:
- Thomas H. Court
