That is to say, the lesson of the QWERTY story remains the resilience of a design created for an outmoded technology's dictates. QWERTY is still an example of technological momentum. But the development of the design wasn't accidental or silly: it was complex, evolutionary, and quite sensible for Morse operators.
The Half Sheet cake is approximately 11 X 15 inches in size and is typically one layer thick but may come in single or multiple layers if a filling is added. Source(s): http://www.usabirthdays.com/delivery/cak...
This sheet cake requires a 12Ã17 inch jelly roll/half sheet pan. I own 5 of these pans. They are DYNAMITE in the kitchen. I bake cookies on them, I cool toffee on them, roast vegetables on them, and I make sheet cakes in them. A fabulous multipurpose sheet pan is irreplaceable.