Bolters used for sieving flour
The image shows bolters (for sieving flour). The photo was taken sometime in the early twentieth century, probably around 1925. It is similar to the equipment installed late in the 1890s by Guenther.
The image shows bolters (for sieving flour). The photo was taken sometime in the early twentieth century, probably around 1925. It is similar to the equipment installed late in the 1890s by Guenther.