As she saw this figure she suddenly flung off the coat and stooped to the tea tray in the middle of the floor.
But "not at home" means that she is not sitting in the drawing room behind her tea tray; that and nothing else.
The tea tray had cleared an opening among the heterogeneous mass of accumulation.
The cover from a cheesebox can be converted into a tea tray that is very dainty for the piazza, or for serving an invalid's breakfast.
The tea tray had been placed on a small table near the window.
There the hostess makes and pours the tea, unless she prefers to have it brought in on a tea tray already made for pouring.
Instead, at every turn, there was a hint of feminine tastes: a mirror, a workbasket, a low sewing-chair, a stand with a tea tray.
The tea tray was ready, the toast crisp and hot, but the summons of the bell was unusually delayed.