WWI US Heliograph

World War I United States heliograph marked "FIELD HELIOGRAPH, US MARINE CORPS, NO. 466, JULIEN P FRIEZ & SONS, BALTIMORE MD, USA". Heliograph measures 13" x 3" and is housed in leather case. Case leather exhibits wear and staining. Provenance: Eugene T. Lomas collection. ​​​​​​​**Please Note: In-house shipping is NOT available for the General Militaria auction. Please refer to the terms and conditions of this auction for local shippers.