Wilson’s Carpentry and joinery / by John Wilson (1891)
Wilson, John · Manchester [England] : Percy Bros. · leaf 134
rimmer should be clear off this line.* Easy ascent depends on the proportion between tread and riser. It is awell-known maxim that a broad step should be of less height than a narrow one.Generally a step with 12 tread and 5J riser is assumed as a guide to otherdimensions. The two multiplied… … On this plate ate shown methods of constructing the different parts of Fig- 1. Shows the joints between tread and riser T, T, being thefront and baok of the treads, and R the riser, the portion projecting at N isthe nosing. _ When a mould S is placed underneath it is a moulded nosing, the…
Carpentry · Joinery
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