Pickett Model N 1010-T Trig Trigonometry Vintage Slide Rule & Leather Case

Vintage Pickett Model N 1010-T Trig Trigonometry Slide Rule w Leather Case

Vintage Pickett Model N 1010-T Trig Trigonometry Slide Rule w Suede Leather Case

VTG Pickett Model N 1010-T Trig Trigonometry Slide Rule & Leather Case

Vintage PICKETT & ECKEL Model 1010-T Trig Slide Rule With Pickett Leather Sheath

VTG Pickett Model N 1010-T Trig Trigonometry Slide Rule & Leather Case Manual

Vintage Pickett Model N1010-T Trig Trigonometry Slide Rule With Leather Case Exc

1959 Pickett Model 1010-T Trig Slide Rule in Orig. Leather Case & Box w/ Manual