The Workmate was developed in the late '60s in England by Ron Hickman, a South African who designed the Lotus Elan.
The first Workmate bench was offered in the UK in 1973 and the US in '75.
I don't know when the 400 was made but I have an early version that does not have a number and a later one marked as a 550.
Don't know the date, but I recall reading a history of it in a book about workshop design. The story also mentions details such as the cast-aluminum frame of the early design, and the fact that Sears attempted to steal the concept...
I believe the Workmate was invented in the U.K..
Wax. And black dye.
The strong gravity that made them collapse in the first place keeps them together.
Black on black pottery is a pot originally made from pueblo indians and it is when they style pots with only black.
Glass.
Black
black and decker is onw of them.
A Black and Decker is a generic name for any type of electrical power tool, whether it is one made by the Black and Decker company or not.
American
1985
The model 7620 Black & Decker Commercial Router was discountinued in 1974. I learned this from a service center.
Now owned by the Stanley Corp and made in China.
Black and Decker offers a great squeezer. The Black and Decker Juice Wizard Beverage Maker is made of top quality materials like so many other Black and Decker products are.
1492
B& D Food processors are made in China.
Stanley Corporation now makes Black and Decker power tools in India and China.
B&D drills are made in Mexico and China now.
OCD 440 has been discontinued and no longer made.