This is an Argoflex Forty, a medium format Psuedo-TLR camera made by Argus Inc. of Ann Arbor, MI, between the years of 1950 and 1954.
Film Type: 620 Roll Film (twelve 6cm x 6cm exposures per roll)
Lens: 75mm f/4.5 Varex Anastigmat coated 3-elements
Focus: 3.5 feet to Infinity
Viewfinder: Waist Level Brilliant Viewfinder
Shutter: Argus (Probably Wollensak Alphax) Leaf
Speeds: B, 1/25 – 1/150 seconds
Exposure Meter: None
Battery: None
Flash Mount: Argus 76 Flashgun Mount, M & F Sync (all speeds), X Sync (1/25)
Weight: 618 grams
Case included