Tyzack Brass Back Tenon Saw No. 120 - 15tpi - 12" (Beech) marines most of these types of

most of these types of shaves are Edward Preston shaves

please judge from the photos

1 x Straight - Incannel - medium shallow - 10mm

Dictionary Of Woodworking & Antique Tools Books includes:

Tyzack Brass Back Tenon Saw No. 120 - 15tpi - 12" (Beech) marines most of these types ofAn old Tyzack brass back tenon saw with a thick, heavy brass spine. The brass back is marked 'W. Tyzack Sons & Turner Ltd, Sheffield, England, No 120'. TPI: 15 Blade length: 12" For general info about this saw, see the Tyzack 120 Tenon Saw review on FindMyTool. co. uk Condition: blade is straight, all teeth present, would benefit from a sharpen, please see photos for condition.