Bicycle Tag of bike

“Dust destructor” caught my eye on that map… there is some more fun info here including

[…] the Latvians failed to notice the factory was next door to Tottenham Police Station, with its section house for single officers and its married quarters for married men.
Upon hearing the shots, the officers, who had been working late into the night and were just getting up, ran out of the doors and jumped out of the windows and gave chase.
People used to seeing policemen in pressed uniforms and polished boots would have been taken aback to see so many policemen dressed in pyjamas and underwear, covered in either shaving foam or shampoo running down the road.
In those days the man in charge, the superintendent didn’t have a car; he had a go-kart pulled by a dog. The inspector had a horse and the other policemen were on foot or riding pedal cycles.
The policemen were unable to find the keys to the gun cupboard so many policemen were issued with cutlasses - the last time in history that this happened.