"A steaming hot furnace. Drop some ore into it to make some money!"
The Basic Furnace is a Common-Tier furnace. All new players start with it, as it is part of the starting kit.
The base multiplier is 1x, so it sells the ore at the value they are priced at with no multipliers.
Great for testing out upgraders or droppers, as it shows the exact value an ore is valued at.