Question
I'm a draftsman and I do mostly architectural woodworking and furniture. I'm creating a poster to be printed in blueprint style that is full of interesting woodworking facts. Some of the good stuff I've found so far is stuff like...
"The dovetail joint probably pre-dates written history. Some of the earliest known examples of the dovetail joint are in furniture entombed with mummies dating from First Dynasty of ancient Egypt, as well the tombs of Chinese emperors."
Plywood was invented during the Second World War but it was primarily used to build PT boats and landing craft for the military. After the war they began using plywood for residential construction and furniture but by the end of the 1940's, there was a severe shortage of lumber suitable for making plywood. Particleboard was invented in 1950 as a substitute for plywood, but it didn't receive much public attention at first.
Formica had been invented in 1912 by alternately layering craft brown paper or cloth and melamine resin. Initially it was used to make circuit boards for radios until 1951, when they came up with the idea of using a finished design pattern on the top layer, which created the Formica that we still use today.
Does anybody have some good stuff that would make things more interesting? I'd love to hear it.
Forum Responses
(Architectural Woodworking Forum)
From contributor J:
I'm not sure when modern plywood was developed, but you may want to dig a little deeper. I remember reading, many years ago, that the ancient Egyptians had developed some form of simple plywood. Sound like an interesting project anyway.
"Plywood has been made for thousands of years; the earliest known occurrence of plywood was in ancient Egypt around 3500 BC when wooden articles were made from sawn veneers glued together crosswise."
Interestingly, there were a lot of Southern pine trees, but until Herb Fleischer found that PF adhesive could produce a superior plywood product, there was no SYP plywood. Then Georgia Pacific opened the first SYP plywood mill in 1964.
The first patent for what could be called plywood was issued December 26, 1865, to John K. Mayo of New York City.
In 1905, the city of Portland, Oregon was getting ready to host a World's Fair as part of the 100th anniversary celebration of the Lewis and Clark Expedition. Several local businesses were asked to prepare exhibits for the event, including Portland Manufacturing Company, a small wooden box factory in the St. Johns district of the city. Part owner and plant manager Gustav Carlson decided to laminate wood panels from a variety of Pacific Northwest softwoods. Using paint brushes as glue spreaders and house jacks as presses, several panels were laid up for display. Called "3-ply veneer work," the product created considerable interest among fairgoers, including several door, cabinet and trunk manufacturers who then placed orders.
Plywood was used for many items in WW II and not just PT Boats. Plywood barracks sprung up everywhere. The Navy patrolled the Pacific in plywood PT boats. The Air Force flew reconnaissance missions in plywood gliders. And the Army crossed the Rhine River in plywood assault boats. There were thousands of war accessories made of plywood - from crating for machinery parts, to huts for the famed Seabees in the South Pacific, to lifeboats on hundreds of ships that kept supply lines open in the Atlantic and Pacific.
I think I saw it in one of the many finishing books I have read, but don't recall which one. I may have heard it from one of the paint chemists that I have spoken with. It was the baby boom after the mid-40s that boosted the use of the leftover nitrocellulose as lacquer on the furniture that was in demand by the young families. A lot of leftover munitions were dumped into deep water, but that is not pertinent.
I had better luck Googling "model t ford paint":
"Original Model T Ford Paint Colors are all but impossible to duplicate accurately today. The paints used in the very early cars (1909 -1914) were varnishes and had a relatively short life. This was also true of the later enamels (1926) and pyroxylins (1926-1927), although they were a good bit better than the earlier varnishes."
Not NC lacquer.
Reference to Model T finishes prior to topic(s) of issue is moot. Old Henry is reputed to have said "You can have your Ford any color you want, as long as you want black."
Okay, now for my little tidbit. I read or heard somewhere that the "Gopher Wood" used to build the Ark was in fact not a type of tree, but rather a type of laminated wood. Just an interesting thought.
There is fairly good evidence that Hebrew word translated as "gopher wood" is a scribal error and should be bitumen and wood. (The translation to English was the King James Version and did not use old Hebrew manuscripts but relied on the Latin Vulgate Bible.) The Hebrew letters are nearly identical for both words (gopher and bitumen), gopher wood appears nowhere else in the Bible, gopher wood is not a known species name, and other non-Hebrew flood stories include an ark made of wood and bitumen. The bitumen is a sealer.
The New English Bible went back to the Aramaic texts and many of the 4000 early manuscripts available (versus most translations that modernize the KJV) and they have the construction of the ark translated as "Make yourself an ark with ribs of cypress; cover it with reeds and coat it inside and out with pitch."
Incidentally, almost all plywood was made in the Northwest US, so where was the coach built? It would be unusual to have the coach made in the Midwest using imported woods, when there was plenty of cheap native wood. It must also be remembered that these coaches were not built to last 100 years... they were built with a 5 (+ or -) year life expectancy. Also, weight was important, but strength was even more important. (Is this coach in Laramie, WY? I saw a plywood one there a few years ago, restored.)
Common Lumber Name | A | B | C |
Hardwoods | |||
Alder, Red | 9.9 | 19.2 | 2506 |
Apple | 10.9 | 31.7 | 4132 |
Ash, Black | 9.3 | 23.4 | 4132 |
Ash, Green | 14.3 | 27.6 | 3590 |
Aspen, Bigtooth | 10.3 | 18.7 | 2439 |
Aspen, Quaking | 10.3 | 18.2 | 2373 |
Basswood | 6.2 | 16.6 | 2174 |
Beech, American | 8.9 | 29.1 | 3793 |
Birch, Paper | 8.8 | 25.0 | 3260 |
Birch, Sweet | 11.9 | 31.2 | 4065 |
Birch, Yellow | 9.2 | 28.6 | 3723 |
Buckeye | 8.9 | 17.2 | 2235 |
Butternut | 11.3 | 18.7 | 2440 |
Cherry | 13.8 | 24.4 | 3184 |
Chesnut, American | 11.6 | 20.8 | 2708 |
Cottonwood | 8.5 | 16.1 | 2102 |
Dogwood | 6.8 | 33.3 | 4331 |
Elm, American | 10.2 | 23.9 | 3116 |
Elm, Rock | 12.2 | 29.6 | 3860 |
Elm, slippery | 11.5 | 25.0 | 3251 |
Hackberry | 11.8 | 25.5 | 3319 |
Hickory, Bitternut (Pecan) | 14.7 | 31.2 | 4062 |
Hickory (True) | |||
Hickory, Mockernut | 9.1 | 33.3 | 4332 |
Hickory, Pignut | 9.3 | 34.3 | 4332 |
Hickory, Shagbark | 10.9 | 33.3 | 4333 |
Hickory, Shellbark | 6.6 | 32.2 | 4195 |
Holly, American | 8.3 | 26.0 | 3387 |
Hophornbeam, Eastern | 7.9 | 32.8 | 4266 |
Laurel, California | 15.1 | 26.5 | 3456 |
Locust, Black | 21.2 | 34.3 | 4470 |
Madrone, Pacific | 7.8 | 30.2 | 3925 |
Maple (Soft) | |||
Maple, Bigleaf | 12.8 | 22.9 | 2980 |
Maple, Red | 13.1 | 25.5 | 3318 |
Maple, Silver | 12.4 | 22.9 | 2981 |
Maple (Hard) | |||
Maple, Black | 12.3 | 27.0 | 3523 |
Maple, Sugar | 12.3 | 29.1 | 3793 |
Oak (Red) | |||
Oak, Black | 11.7 | 29.1 | 3792 |
Oak, California black | 16.4 | 26.5 | 3455 |
Oak, Laurel | 6.3 | 29.1 | 3791 |
Oak, Northern red | 13.6 | 29.1 | 3793 |
Oak, Pin | 13.0 | 30.2 | 3928 |
Oak, Scarlet | 13.2 | 31.2 | 4065 |
Oak, Southern red | 9.6 | 27.0 | 3520 |
Oak, Water | 10.4 | 29.1 | 3793 |
Oak, Willow | 6.4 | 29.1 | 3790 |
Oak (White) | |||
Oak, Bur | 15.4 | 30.2 | 3928 |
Oak, Chestnut | 10.1 | 29.6 | 3858 |
Oak, Live | 17.5 | 41.6 | 5417 |
Oak, Overcup | 10.7 | 29.6 | 3860 |
Oak, Post | 11.0 | 31.2 | 4063 |
Oak, Swamp chestnut | 10.7 | 31.2 | 4063 |
Oak, White | 10.8 | 31.2 | 4062 |
Persimmon | 7.0 | 33.3 | 4332 |
Sweetgum | 8.9 | 23.9 | 3115 |
Sycamore | 10.7 | 23.9 | 3115 |
Tanoak | 9.0 | 30.2 | 3926 |
Tupelo, Black | 10.4 | 23.9 | 3116 |
Tupelo, Water | 12.4 | 23.9 | 3115 |
Walnut | 13.4 | 26.5 | 3454 |
Willow, Black | 8.6 | 18.7 | 2438 |
Yellow-poplar | 10.6 | 20.8 | 2708 |
Common Lumber Name | A | B | C |
Softwoods | |||
Baldcypress | 13.2 | 21.9 | 2844 |
Cedar, Alaska | 14.4 | 21.9 | 2844 |
Cedar, Atlantic white | 10.9 | 16.1 | 2100 |
Cedar, eastern red | 16.4 | 22.9 | 2981 |
Cedar, Incense | 13.1 | 18.2 | 2371 |
Cedar, Northern white | 11.1 | 15.1 | 1964 |
Cedar, Port-Orford | 12.6 | 20.2 | 2641 |
Cedar, Western red | 12.2 | 16.1 | 2100 |
Douglas-fir, Coast type | 12.3 | 23.4 | 3049 |
Douglas-fir, Interior west | 13.2 | 23.9 | 3116 |
Douglas-fir, Interior north | 14.0 | 23.4 | 3048 |
Fir, Balsam | 9.9 | 17.2 | 2236 |
Fir, California red | 10.6 | 18.7 | 2437 |
Fir, Grand | 10.7 | 18.2 | 2371 |
Fir, Noble | 10.1 | 19.2 | 2507 |
Fir, Pacific silver | 10.4 | 20.8 | 2711 |
Fir, Subalpine | 10.5 | 16.1 | 2101 |
Fir, White | 12.2 | 19.2 | 2506 |
Hemlock, Eastern | 12.6 | 19.8 | 2573 |
Hemlock, Western | 11.5 | 21.8 | 2847 |
Larch, Western | 11.3 | 25.0 | 3251 |
Pine, Eastern white | 12.3 | 17.7 | 2303 |
Pine, Lodgepole | 11.5 | 19.8 | 2576 |
Pine, Ponderosa | 12.6 | 19.8 | 2573 |
Pine, Red | 12.2 | 21.3 | 2777 |
Southern yellow group | |||
Pine, Loblolly | 12.9 | 24.4 | 3183 |
Pine, Longleaf | 15.0 | 28.1 | 3658 |
Pine, Shortleaf | 12.9 | 24.4 | 3183 |
Pine, Sugar | 12.6 | 17.7 | 2302 |
Pine, Western white | 10.0 | 18.2 | 2370 |
Redwood, Old growth | 14.9 | 19.8 | 2573 |
Redwood, Second growth | 13.2 | 17.7 | 2302 |
Spruce, Black | 11.3 | 19.8 | 2575 |
Spruce, Engelmann | 10.0 | 17.2 | 2234 |
Spruce, Red | 10.6 | 19.2 | 2506 |
Spruce, Sitka | 10.8 | 19.2 | 2506 |
Tamarack | 12.0 | 25.5 | 3318 |