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:
Taper:
Wind Pressure:
Ears: 1-29
Ear Depth:
Languid Bevel:
Skiving: Light
Material: Spotted
Slotting:
Ratio to Top of Slot:
Ratio of Slot Width:
Tuner Style: Collars
Compass: 1-61
# Roller Beards: 1-16

Pipe# C1 C2 C3 C4 C5 C6 C7
Scale 57 70 83 94 13mm 8mm  
Mouth Width Ratio 2/9 2/9 2/9 2/9 2/9 1/4  
Mouth Width mm 58.7 37.3 22.2 12.7 8.7 6.4  
Cut Up mm 17.5 11.1 5.6 4 2.4 2  
Cut Up Ratio 3.5 3.5 3.5 3.5 3.5 3.5  
# nicks in languid 26 22 16 11 9 7  
Tuned Lengthcm              
Total Pipe Height" 111.5 55.5 32 19.5 13 10  
Toe Hole Dia mm 6.4 4 2.8 1.6 1.6 .8  
Roller Beard Dia mm 15.9 7.9          
Wind Way mm 1.6 .8          
Metal Thickness mm .8 .8 .8 .8 .8 .8  
Hook Heights"              

 

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8' Dulciana
• Schantz
• 57 scale
• 61 pipes

• SOLD

• KC05.12-07