R.A. Colby, Inc.
PO Box 4058
Johnson City, TN 37602
ph: 423-282-4473
info@racolby.com
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RA Colby Organbuilder


Halving: 17th
Taper: 1/5
Material: Zinc/Spotted 1-24...Spotted 25-54
Ratio to Top of Slot: 1/1
Ratio of Slot Width: 1/3
Tuner Style: Scroll
Compass: 1-54

Pipe# C1 C2 C3 C4 C5 C6 C7
Scale 71 80 25mm 25mm 25mm    
Mouth Width Ratio              
Mouth Width mm              
Cut Up mm              
Cut Up Ratio              
# nicks in languid              
Tuned Length" 72 38 16 6 2.5    
Total Pipe Height" 74.25 47.5 25.5 14.5 10.25    
Toe Hole Dia mm 9 7 4 4 4    
Roller Beard Dia mm              
Wind Way mm              
Metal Thickness mm .028 .028 .028 .028      
Hook Heights"              



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8' Orchestral Oboe
• Casavant
• 71 scale
• 54 pipes

• $1750 + shipping/handling

• KB03-11.94