The thing the Time Traveler held in his hand was a glittering metallic framework, scarcely larger than a… — H.G. Wells

The thing the Time Traveler held in his hand was a glittering metallic framework, scarcely larger than a small clock, and very delicately made. There was ivory in it, and some transparent crystalline substance. ...This little affair... is only a model. It is my plan for a machine to travel through Time. You will notice that it looks singularly askew, and that there is an odd twinkling appearance about this bar, as though it was in some way unreal.

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