Aquametro Oil & Marine, Measuring Instruments, models:

CONTOIL DFM 20S	Mounting And Operating Instructions
CONTOIL VZD2	Mounting And Operating Instructions
CONTOIL VZF II	Mounting And Operating Instructions
CONTOIL VZP 4	Mounting And Operating Instructions
DOMINO AMD Series	Wiring Diagram
Viscomaster	Installation And Operation Manual