Historecycle has emerged from fall hibernation with renewed energy, like an aging building newly retrofitted with LED lights. For the past several months, we’ve been Sherlock Holmes-ing a few “mystery” structures we’ve discovered, to dig into their murky past. And the rigorous pursuit of historical data has been like a shot in the arm. Take, for example, the former B.&B. Shoe Company factory, which dates to at least the 1920s. Located in Chicago’s Old Town neighborhood, B.&B.