ObjectsViewing Record 27 of 30
Previous Record Next Record
Switch Views: Lightbox | Image List | List
Keuffel & Esser/Picker X-ray, Fetal Medical Slide Rule
Named collection: Keuffel & Esser Company Collection
Object type: slide rule
Maker: Keuffel & Esser Co.
Measurements: 1/4 in x 14 1/2 in x 1 3/4 in
For estimating fetus head size in utero from an x-ray of the mother's pelvic region.
Keuffel & Esser Company Slide Rule Collection Donated by InteliCoat Technologies