Central Scientific’s 1939 Map of Physics By John Baichtal, 08/28/2012 @ 8:21 am= | Full size is 1824 × 1368 pixels Date Taken: 11-Nov-2011 20:12:43Title: Central Scientific's 1939 Map of PhysicsCamera: DMC-ZS3Focal Length: 4.1mmAperture: f/3.3ISO: 400 John BaichtalMy interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal nerdage.net NERDAGE
