[Two diagrams of trigonometric equations on the back of an envelope]
About this Item
Record Details
- Title
- [Two diagrams of trigonometric equations on the back of an envelope]
- Date
- 1883 February 3
- Creator
- Raba [?]
- Notes
- Raba [?] ALS to Wirt [McCreary], February 3, 1883. Erie, [Pa.] From a collection of correspondence related to the families of David B. McCreary and his daughter, Sophia McCreary Clark ("Sophy"), both of Erie, Pennsylvania. David and his wife, Annette, corresponded with family and acquaintances throughout the mid- to late 19th century, including the Civil War era and the Spanish-American War era. The letters of Sophy, her husband Henry, and their daughter Annette span the late 19th and early 20th centuries.
- Names and Subjects
- Envelopes (Stationery)
- Mathematics--1880-1890.
- Triangle.
- Trigonometry--Problems, exercises, etc.
- Manuscripts shelf.
- Collection Title
- Clark-McCreary papers
- Collection Creator
- Clark family and McCreary family.
- Project Name
- Illustrated Manuscripts Project
- ID
- 5969
- Repository
- William L. Clements Library
- Date Added/Updated
- 2018-07-19 17:16:59
Technical Details
- Collection
- William L. Clements Library Image Bank
- Image Size
- 4256 x 5846
- File Size
- 1 MB
- Record
- 5969
- Link to this Item
-
https://quod.lib.umich.edu/w/wcl1ic/x-5969/wcl006042
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Related Links
- More Item Details
- Finding Aid
IIIF
- Manifest
-
https://quod.lib.umich.edu/cgi/i/image/api/manifest/wcl1ic:5969
Cite this Item
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- Full citation
-
"[Two diagrams of trigonometric equations on the back of an envelope]". https://quod.lib.umich.edu/w/wcl1ic/x-5969/wcl006042. In the digital collection William L. Clements Library Image Bank. William L. Clements Library, University of Michigan Library Digital Collections. July 14, 2025.