Numbers 4:13

And they shall take away the ashes from the altar, and spread a purple cloth upon it:

Exodus 27:1-8

And thou shalt make an altar of shittim wood, five cubits long, and five cubits broad; the altar shall be foursquare: and its hight shall be three cubits.

Exodus 39:1

And of the blue, and purple, and scarlet, they made clothes of service, to do service in the holy place, and made the holy garments for Aaron; as the LORD commanded Moses.

Exodus 39:41

The clothes of service to do service in the holy place, and the holy garments for Aaron the priest, and his sons' garments, to minister in the priest's office.

Leviticus 6:12-13

And the fire upon the altar shall be burning on it; it shall not be extinguished: and the priest shall burn wood on it every morning, and lay the burnt-offering in order upon it; and he shall burn on it the fat of the peace-offerings.

Numbers 4:6-9

And shall put on it the covering of badgers' skins, and shall spread over it a cloth wholly of blue, and shall put in the staffs of it.

Numbers 4:11-12

And upon the golden altar they shall spread a cloth of blue, and cover it with a covering of badgers' skins, and shall put to it its staffs.

Treasury of Scripture Knowledge

Summary

And they shall take away the ashes from the altar, and spread a purple cloth thereon:

The embers of the sacred fire seem to have been removed in the grate, which was carried apart from the brazen altar; both being covered from view by purple cloths

General references

Bible References

The embers of the sacred fire seem to have been removed in the grate, which was carried apart from the brazen altar; both being covered from view by purple cloths

Numbers 4:6
And shall put on it the covering of badgers' skins, and shall spread over it a cloth wholly of blue, and shall put in the staffs of it.
Exodus 27:3
And thou shalt make its pans to receive its ashes, and its shovels, and its basins, and its flesh-hooks, and its fire-pans: all its vessels thou shalt make of brass.
Exodus 39:1
And of the blue, and purple, and scarlet, they made clothes of service, to do service in the holy place, and made the holy garments for Aaron; as the LORD commanded Moses.
Leviticus 6:12
And the fire upon the altar shall be burning on it; it shall not be extinguished: and the priest shall burn wood on it every morning, and lay the burnt-offering in order upon it; and he shall burn on it the fat of the peace-offerings.

General references

Numbers 4:8
And they shall spread upon them a cloth of scarlet, and cover the same with a covering of badgers' skins, and shall put in the staffs of it.