Miscellaneous & Unknown
Here's a collection of photographs from the MRHS archives about which we have little or no information. Can you help us identify the location, equipment or personnel in any of these photos?
Thanks to Grant Prescott/N7NMC for researching the origin and story behind many of the photos below. OM Prescott is an active amateur operator and retired USCG RM2 who worked at COMSTA San Francisco/NMC (next door neighbor to KPH) from 1978 to 1982.
Original article was written in Italian. (Google will translate for you) Discusses The Great War or WWI. Image labelled “Radiotelegraph station” Most likely Italian radio station in that time frame. - Grant Prescott. See: https://www.comune.cinisello-balsamo.mi.it/pietre/spip.php?article234
Here is the full story and original image: The man in the light suit is Charles Proteus Steinmetz. He passed away a couple of years after this photo. He is the “Father” of AC electric power in the United States. The man to the left of Steimetz is Albert Einstein. At this event Prof. Einstein wrote a short note to the Chief of Station at Nauen, Germany.(a suburb of Berlin) The CW message was relayed by wire and then radio and then wires again. The returned reply came back in a total of five minutes to Germany and back to New York. I believe this event took place in 1920 or 1921.- Grant Prescott See: https://www.infoage.org/history-ia/rca-ownership/professor-einstein-looks-into-radio/
Radiomarine 4U radio console aboard a US ship. The layout is different from a Victory ship so possibly it's a T2 tanker. The call sign is shown as AOOY - RD
College women learning to use wireless radio. Male radio operators were rare due to the The First World War. They were fighting in Europe. Caption” Teaching Girls wireless at Hunters College, N.Y.C. Timeframe 1918. - Grant Prescott See: https://commons.wikimedia.org/wiki/File:Colleges_and_Universities_-_Hunter_College_-
Original article April 1928 regarding extending wired telephone and sending it over radio from Europe and United States. As many as 35 of these vacuum tubes employed in parallel could create over 200 kilowatts. (Fig 6.) This article is an outstanding discussion of long distance (longwave and shortwave) radio telephone circuits. - Grant Prescott See: https://www.worldradiohistory.com/Archive-Bell-System-Technical-Journal/20s/Bell-1928b.o.pdf
Multiple sources. Caption “Marconi wireless school, New York, USA. Students in around 1912 practicing to become radio (wireless telegraphy) operators. They are copying messages transmitted from ships at sea - Grant Prescott See: https://sciencephotogallery.com/featured/marconi-wireless-school-library-of-congressscience-photo-library.html
This is the Marconi Wireless System aboard the Olympic. Not the Titanic. Olympic is a sister ship to the Titanic. - Grant Prescott See: https://historycollection.com/north-atlantic-tragedy-8-surprising-facts-sinking-titanic/