Antiques (US) 
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$38.38
Parallel Ruler Navigation Instrument Ruler With Wooden Box 21'' Accurate Tool
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$57.41
Parallel Ruler Brass Divider Pencil Compass Wooden Box Navigation Instrument
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$34.19
Parallel Ruler Navigation Instrument Ruler With cover 21'' Accurate Tool
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$16.89
RARE EBONY KELVIN, BOTTOMLY & BAIRD "CAPTAIN FIELD’S IMPROVED" PARALLEL RULER
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$175.00
NEGUS Antique Parallel Ruler In Box
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$149.00
Paralel ruler in wooden box vintage with wooden handle and brass rollers
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$80.00
Vintage Kenyon Model 28-2000 Rolling Parallel 14" Rule With Wood Case
