MIMF

Giotto's Baroncelli altarpiece is worth a look as Giotto obviously knew that future instrument makers would want to see both sides of the portative, and so he gives us two angels facing opposite directions so you can see the bellows side and the keyboard side. https://en.wikipedia.org/wiki/Baroncell...

I have spent quite a long time carving and fitting maple blocks to a pair of horns, and carving out the window and the ramp, using the instructions given on http://www.personal.utulsa.edu/~marc-carlson/horn/hgems.html Basically, a 10mm x 4 mm window, a ramp about 12mm to the labium, a 1mm deep windw...