Eytinge, Bruce Swomley, 1893- ed, Uden, Rex Lyle, 1885- ed, Hartz, Rutherfurd S., 1880- ed · New York City, N.Y., Eytinge & Uden · leaf 102
THE REASON WHY THE DEPOLLIER Waterproof and Dust-proof Watch MAINTAINED ACCURATE TIMEwhile worn by ROLAND ROHLFS on -his three WorldsRecord Altitude Flights, finally to a height of 34,610 feet. … Had the atmospheric pressure within the case been per-mitted 1o equalize itself with the rarified atmosphere of thehigh altitudes, or the extreme cold of 44 degrees below xerobeen permitted to reach the delicate movement, its compen-sation would have been seriously affected, rendering the…
Aeronautics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Catalog]. (1908)](https://img.insideoutlibrary.com/img/200/ia-catalog00macy-265-693.webp)
