| Clear plastic Series "P" scales offer a clear view of the drawing beneath. Graduations and numbers are on the underside of the scale to eliminate parallax distortion. A raised rib protects graduations and prevents capillary action when inking. 12 in. and 18 in. AP-80 features clear acrylic edges on an aluminum spine, with a stainless steel cutting edge on one side. All other scales are solid, clear acrylic.P-1: SIDE A: full size to 1/32 in.; SIDE B: 1/2 size to 1/16 in.P-11: SIDE A: 10 parts to 1 in.; SIDE B: 50 parts to 1 in.P-22: SIDE A: 1/16 in. to 1/32 in.; SIDE B: 1/25 in. to 1/50 in.P-35: SIDE A: 1/8 in-1/4 in. = 1 ft.; SIDE B: 1/2 in.-1 in. = 1 ft.P-36: SIDE A: 3/8 in.-3/4 in. = 1 ft.; SIDE B: 1 1/2 in.-3 in. = 1 ft.P-37: SIDE A: 1/8 in.-1/4 in. = 1 ft.; SIDE B: 3/16 in.-3/8 in. = 1 ft.P-41: SIDE A: 1:1 to 1mm; SIDE B: 1:2 to 1mmP-62: SIDE A: 1:1 to 1mm; SIDE B: full size to 1/32 in.AP-80: SIDE A: full size to 1/32 in.; SIDE B: 6 pt. pica. |
