Some wonderful old photos of Los Angeles on Twitter today

@BHscanner, one of several excellent independently-run Twitter accounts that monitor and live-tweet police radio communications in Los Angeles, has for the last 24 hours been tweeting some incredible photographs of historic LA. Some are as old as the 1850s; others, like this shot of Signal Hill, from the 1940s. There are some spectacular shots from the '60s along and inside Hollywood hotspots. Worth a follow.