The Birth of Nominal Wood Sizes
The Birth of Nominal Wood Sizes
(OP)
When was the birth of nominal wood sizes?
What is the origin of nominal wood sizes?
Just curious ...
What is the origin of nominal wood sizes?
Just curious ...
When was the last time you drove down the highway without seeing a commercial truck hauling goods?
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The Birth of Nominal Wood Sizes
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RE: The Birth of Nominal Wood Sizes
If you look into older engineering manuals (Ketchum's fantastic work from the 20s comes to mind immediately), you will find that the actual dimensions for several sizes are listed as being slightly larger (having 5/8" of an inch rather than 1/2" between sizes). I'm not sure when this changed, but the most recent tables I have seen that list these 5/8" sized members is from the late 1950s.
YS
B.Eng (Carleton)
Working in New Zealand, thinking of my snow covered home...
RE: The Birth of Nominal Wood Sizes
But just to be confusing some others are reduced as you say.