Datasheet Ortec:http://www.ortec-online.com/products/electronics/delays-gates-and-logic-modules/416a
Datasheet Phillips: http://www.phillipsscientific.com/pdf/794ds.pdf
Quad Gate/Delay Gen Module
SKU: 794-416A
Serial Number Location 2135 (Ortec 416A) In lab rack 18974 (Phillips 794) In lab rack 7274 (Phillips 794) In use