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Pratt & whitney model a supermicrometer
Pratt & Whitney Model A Supermicrometer
Pratt & Whitney Supermicrometer
Measuring Range: 0" to 10"
Maximum Opening between Anvils: 10"
Height from Bed to Spindle Center: 3"
Measuring Pressures: 1 and 2.5 Lbs.
Graduation on Spindle: .050"
Graduation on Vernier: .0001"
Bench Space: 25.5" x 7.125"