TY  - GEN
N2  - ca. 1920's-1940's
N2  - Medical Museum Collection, Box 74
N2  - A slide rule in a tan leather case, measuring 28 x 3.5 x 1 cm. The wooden rule has a clear plastic sliding plate. It was donated by Laurence Selling, M.D., in November 1964, and is in excellent condition.
N2  - Digital photograph of a wooden slide rule and its leather carrying case, both set on a gray counter. A ruler has been placed in the foreground for size comparison.
DO  - 10.6083/M45T3HWN
DO  - DOI
AB  - ca. 1920's-1940's
AB  - Medical Museum Collection, Box 74
AB  - A slide rule in a tan leather case, measuring 28 x 3.5 x 1 cm. The wooden rule has a clear plastic sliding plate. It was donated by Laurence Selling, M.D., in November 1964, and is in excellent condition.
AB  - Digital photograph of a wooden slide rule and its leather carrying case, both set on a gray counter. A ruler has been placed in the foreground for size comparison.
T1  - Slide rule
DA  - 1940
AU  - Keuffel && Esser Co.
L1  - https://digitalcollections.ohsu.edu/record/4643/files/ad4137308e0fc0068c19044f2f917b9f.jpg
PY  - 1940
ID  - 4643
L4  - https://digitalcollections.ohsu.edu/record/4643/files/ad4137308e0fc0068c19044f2f917b9f.jpg
KW  - Equipment and Supplies
TI  - Slide rule
Y1  - 1940
L2  - https://digitalcollections.ohsu.edu/record/4643/files/ad4137308e0fc0068c19044f2f917b9f.jpg
LK  - https://digitalcollections.ohsu.edu/record/4643/files/ad4137308e0fc0068c19044f2f917b9f.jpg
UR  - https://digitalcollections.ohsu.edu/record/4643/files/ad4137308e0fc0068c19044f2f917b9f.jpg
ER  -