Found the following hamletworks.org entries referring to line 462

View Commentary Note for 460
460 <Scena Tertia.>  

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461 Enter Laertes, and {Opheliahis Sister} <Ophelia>. 

View Commentary Note for 462
462 Laer. My necessaries are {inbarckt} <imbark't>, farwell, 1.3.1

View Immaterial Textual Note for 462
462 Laer. My necessaries are {inbarckt} <imbark't>, farwell, 1.3.1

View Material Textual Note for 462
462 Laer. My necessaries are {inbarckt} <imbark't>, farwell, 1.3.1