Hall & Pickles of Manchester & Sheffield Brass & Celluloid Clipboard & Calendar A3206
Measures 3 5/8″ x 7″ x 2 1/8″ high.
On their website (yes, still in business, and how!) : “From humble beginnings back in 1812 Hall & Pickles are now one of the largest independent stockholders in the United Kingdom with an annual turnover in excess of £100 million.”
Even this clever old piece of office equipment is gloriously fashionable again as pure steam-punk.