![Gibson H4 mandola drawings (blueprints) for constructing an oval sound hole instrument with the Ultimate Bluegrass Mandolin Construction Manual.](http://siminoffbooks.com/cdn/shop/products/DH4cover_{width}x.jpg?v=1611240955)
19 full-size Pro-Series drawings of the H4 mandola, including: cross section; front, back, and side views; truss rod; fretboard; soundboard and backboard graduations; and notes on construction. To facilitate assembly, these drawings are numbered concurrent with drawing numbers referenced in The Ultimate Bluegrass Mandolin Construction Manual, 4th Edition.
• Various sizes, from 12˝x9˝ to 12˝x32˝
• 19 drawing pages plus cover page
• Stapled, flat (rolled for mailing)