San Francisco : Architect and Engineer, Inc · leaf 37
AN OPERATIONS BOARD—Evaluated information from filter centers of a defense region isreproduced on a table map of an Army Information Center, where the Controller, on abalcony overlooking the room, is enabled to take appropriate action
Architecture · Building
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Catalogue and price list of the Supply Department [serial] (1911)](https://img.insideoutlibrary.com/img/200/ia-cataloguepriceli00asso-8-4.webp)
