Detail of blueprints from an experimental investigation conducted on the use of magnetic coils carri
Detail of blueprints from an experimental investigation conducted on the use of magnetic coils carried on ships to detect submarines. These tests were conducted at @johnshopkinsu and the Engineering Experiment Station at @usnavalacademy .[Baltimore], 1919.Call number: LJS 192http://ow.ly/PQqh30f7MeV* * *#KislakCenter #Pennlibraries #librariesofinstagram #blueprints #JohnsHopkins #Navy #Naval #magneticfields #submarines #Annapolis #specialcollections #manuscript @sims_mss -- source link
#librariesofinstagram#navy#naval#pennlibraries#johnshopkins#kislakcenter#specialcollections#manuscript#submarines#blueprints#magneticfields#annapolis