[Only available until stock depleted]. http://www.tesla-ic.com/pdf/maa741-maa748.pdf
Circuit Ideas:- http://www.electroschematics.com/tag/4047-circuits/
http://www.tesla-ic.com/pdf/maa325-maa345-maa435-maa525.pdf
Surplus part, Legs are formed and some oxidisation to the legs, unused though.
Circuit Ideas:- http://www.electroschematics.com/tag/tl082-circuits/
http://www.tesla-ic.com/pdf/mba125-mba145.pdf
http://www.datasheetarchive.com/dl/Scans-064/DSA2IH00155932.pdf
http://pdf1.alldatasheet.com/datasheet-pdf/view/27198/TI/LM318.html
Datasheet Here:- http://pdf.datasheetcatalog.com/datasheet/SGSThomsonMicroelectronics/mXutuqt.pdf
http://www.datasheet4u.com/datasheet/L/F/4/LF451_NationalSemiconductor.pdf.html
Catalog