as announced I converted the files to Eagle version 4.16.
You may now proceed as suggested. In the meanwhile I'll work out a circuit for an automatic air moisturizer. Manual moisturizing burries the risk of too much humidity which causes the eggs to get rotten.
There were clubs for typewriting as well as shorthand writing. Typewriters were pure mechanical devices and typing speed depended a lot on a well designed type writer. (Doesn't do much if the fingers are faster than the springs - all entangled letter hammers, resulting with the fingers full of paint) OLYMPIA was the best. They are available at flea markets only nowadays.
can u help me for a incubator circuit?it should be maintained at 37 degrees celcius to 38, with a 25-w heating element and 10-w exhaust fan. tnx muah lpzzzz