Central piers on the upper floors are finished in red brick, in contrast to the pale concrete and terra cotta of most of the facade.

[2] The Osgood Bradley Company was founded in 1820, and originally manufactured stage coaches, carriages, and wagons.

Following the relocation of its rail car business, the company tore down the factory and built this industrial facility as a speculative venture to lease to other manufacturers.

During World War II, businesses occupying the building manufactured proximity fuses for use in munitions.

[2] The Osgood Bradley Building housed many manufactures, most notably, Worcester Gear Works, run by Ed Matusik, and New England Diamond (N-E-D), founded by Peter Wyatt.