I went to Heaven — Silkworm

Dickinson visited or read about a silkworm stove-room, and used that to describe her heaven. The answer is hinted by like the Moth, of Gossamer, and Eider names. Silk (from silkworm) has the same reputation as eiderdown (from eider). Her poems are airy no more if we know her logic.

I went to Heaven-1
'Twas a small Town-
Lit-with a Ruby-
Lathed-with Down-

Stiller-than the fields 5
At the full Dew-
Beautiful-as Pictures-
No Man drew.
People-like the Moth-9
Of Mechlin-frames-
Duties-of Gossamer-
And Eider-names-
Almost-contented-13
I-could be-
'Mong such unique
Society-
(F.577/J.374)
[1, 2] Heaven, small Town:: a stove-room for silkworms.
[3] Lit, Ruby:: lit with a red glazed window; too much light will dry leaves, which are their source of water.
[4] Lathed, Down:: the stove-room covered with smooth laths.
[5, 6] Stiller, Dew:: a place quiet like an early morning.
[7, 8] Beautiful, No Man drew:: a beautiful scene that no man can paint, if man don't kill them to draw silk.
[9] like the Moth:: silk moth is a kind of moth, though it cannot fly.
[11] Duties, Gossamer:: silk for weaving gossamer as their duties.
[12] Eider names:: the reputation of eider down, smooth and soft.
[13-16] contented, unique Society:: she was happy to visit the silkworm stove-room.

A glazed window, to light the stove-room; it is a vulgar error to imagine that light is not as necessary to the animation of the silk-worm as to that of every other living thing. The light does not incommode the silk-worm, until it has reached its perfect state of moth, as we shall mention in the tenth chapter. ─ The Art of Rearing Silk-worms (1825)