Vintage slide rule: pickett plastic #120 microline, yellow Pickett microline 120 slide rule w/ instructions Pickett microline 120 slide rule w/ instructions
Pickett Microline 120 Slide Rule w/ Instructions | #30070305
Vintage pickett microline 120-es Microline pickett Pickett microline rule instructions slide
Microline pickett rule instructions slide
Flickr proPickett microline 120 plastic slide rule .
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Pickett Microline 120 Slide Rule w/ Instructions | #30070305
Pickett Microline 120 Slide Rule w/ Instructions | #30070305
Pickett Microline 120 Plastic Slide Rule - Detail | Mike Leavenworth
Vintage Pickett Microline 120-ES - Simplex Slide Rule, Rev… | Flickr