new home sewing machine model 170
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Singer Sewing Co 7442 30 Stitch Sewing Machine would be a great sewing machine to use to make baby dresses.
The one you can afford that has the features you want to use. Brand is not important.
The Yamata FY812 Heavy Duty Sewing Machine will work on denum.
Janome 11558 Heavy-duty Sewing Machine by BRADY will work.
Leather can be sewed using any sewing machine, but the Singer mid-range models would do the best job at the most reasonable price.
The best description of sewing machine parts and their functions is at http://sewing.about.com/od/sewingmachineindex/ig/Sewing-Machines.--9k/
Brother 2340cv Coverhem Sewing Machine works real well with lace.
The Brother Sewing Machine and Sauder Sewing Table would be a great pick.
The best way to find and purchase a sewing machine replacement needle is to check the model number of your sewing machine and then search for compatible needles online or at a local sewing supply store. Make sure to choose the correct size and type of needle for your specific sewing machine model.
Directly from Westinghouse would your best first bet...