The Bergonzi Project Page 1 of 3 next

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Nicolo Bergonzi, Cremona, Top. In possession of Pieter Schoeman, LPO Photo R.Valencia
Nicolo Bergonzi, Cremona, Back. In possession of Pieter Schoeman, LPO Photo R.Valencia
Nicolo Bergonzi, Cremona, Neck and Scroll. In possession of Pieter Schoeman, LPO Photo R.Valencia
Taking measurements to reconstruct the outlines
Thicknesses of the back, taken with the magnetic "Hacklinger Thickness Gauge"
Graduation Map of the back made by Jeff Loen
Graduation Map of the front made by Jeff Loen
Working on arching curves and outlines
The segments of the back outlines taken with a profile gauge
The reconstructed back outlines
Sawing out the inside mould
Planing the back centre joint
Gluing the front centre joint
Rasping the mould outlines
Preparing the corner block template
Preparing the corner block template
Checking position of corner block template
Fixing mould to board at a 10 mm height
Splitting offcuts from top for corner blocks
Checking corner shapes
Marking the block height
Sawing the block to height
Gluing blocks to the mould
Scribing the block shape
Shaping blocks
Shaping blocks
Shaping blocks
Checking with sketch
Thinning ribs with a tooth blade block plane
Measuring rib thickness
Bending c bout on an electric bending iron
Bent rib
Cremonese style dowel and string clamping
Shortening corner
Using marking gauge for rib height
Planing rib height
Cutting lining strips
Cutting lining strips
Lining cut to right length
Lining glued and clamped
Corner detail
Marking out centre
Marking out centre
Mixing and testing ground varnish on maple
Finished rib structure
Sawing off varnish sample
Getting ready for outlines
Removing excess wood before sawing outlines
Removing wood with scrub plane
More planing....
Drilling holes for location pins
Taking rib outlines with a 2.5mm spacing
Transferring location pinhole to endblocks
Removing wood from c bout area
Almost ready to saw
Finally sawing the outlines!