Altimeter Indicator Note: This item is currently in storage. This altimeter indicator belonged to the donor's uncle, William Thaw, who flew with the Lafayette Escadrille. The item reads "Improved Altitude Scale Aneroid, Compensated." Donated by Ms. Sylvia S. Donohue. Click here to return to the Featured Accessions index. Find Out More Related Fact Sheets Escadrille Lafayette Note: The appearance of hyperlinks does not constitute endorsement by the National Museum of the USAF, the U.S. Air Force, or the Department of Defense, of the external website, or the information, products or services contained therein.