Voicing an Upright Piano – especially when it’s only being ‘equalised’ (evening out the response) – is usually quite quick and easy, because you don’t have to keep moving the whole keyboard/action in and out of the piano!

The actual needling tool (the one I use for uprights) is at the foot of the picture, next to the chalk: It’s a simple cast brass block, which holds 4 guage 6 sewing needles (each about 5 mm long).

The Continental-style tuning wedge (a leather-wrapped hornbeam split wedge) is ideal for isolating single strings and thus identifying which corresponding area of the hammer requires needling.

This Welmar was soon sounding good – and much more easily controlled by the pianist.