"GATED DELAY LINE SENSOR" is printed in white on the component side of this printed circuit card. At the extraction end there are two inspection stamps, one circular and one diamond shaped, as well as a white sticker with a handwritten letter "C" on it.
Scientific Data Systems (SDS)
Printed in white at extraction end of componenet side
Assembly number printed in white at extraction end on component side
Stamped in yellow on solder side at extraction end
Stamped on the solder side between the rivet holes at the extraction end
Copyright number printed in white toward insertion end