Keywords: Continuous transit.png More information about Harmsworth here Scanned and slightly retouched around centre-fold by User Timpo Harmsworth Popular Science/ EDucational Book Co London 1912-12-31 UK Copyright elapsed by passage of time more than 70 Years http //www copyrightservice co uk/copyright/p01_uk_copyright_law UK Copyright See Para 6 item 1 for print PD-old Rapid transit |