http://www.honoringmycompass.com/2016/07/the-first-800-miles-with-my-brompton.html
Notes on the ikea bags and cardboard
https://www.provizsports.com.au/reflect360-cycling-backpack.html
For front –
https://www.ebay.com/itm/AGEKUSL-Basket-Rack-Bags-For-Brompton-Bike-Luggage-Carrier-Front-Bag-Rain-Cover-/192692302317
https://omafiets.com.au/products/bromptonbasketbag?_pos=2&_sid=ef93edf9a&_ss=r
Gear Ratios
https://brompton.zendesk.com/hc/en-us/articles/203295861-What-are-the-Brompton-gear-ranges-and-ratios-
http://www.bromptonaustralia.com.au/barcelona-bag-folding-basket-with-frame-world-map.html
Brompton on a moderate full train. When you arrive at the station and in comes the train, no time to fold down. Good news is brompton takes up fast less room than a normal bike.
Carrying a brompton on escalators. Much easier than balancing a bike in front of you