Perk-O-Matic © 1953 Square Mfg. Co.
Self-Percolating Coffee Vendor.
The machine is 76.5 inches high, 30 inches wide, 27.5 inches deep.
Capacity : 600 cups.
After 2 years of development and a minimum $300.000 in expenditure, this coffee vendor was officially unveiled at a special preview at the Bellevue Stratford Hotel (Philadelphia).
The Billboard - May 9, 1953 - Page 73.