Newman and Guardia Universal camera

No maker's name but Newman and Guardia fittings, finish, etc. Box body magazine camera for 3 1/4 x 4 1/2 plates. f/5-64 lens; 2-blade shutter, pneumatic delay, 2/4/8/16/32/64/100. Two reflecting finders, calibrated with rising front settings. Sliding rising and cross fron, calibrated 0-3, 0-4. 2 double spirit levels. Fitted with early type Newman and Guardia bag changer - perhaps not original, attached with hooks and eyes, and N & G catches. Patent 8329/86 (M588)