The lampstand. In early Bible times, lampstands were not in common use, and the lamps would be put on a place such as a stone projecting from the wall. In the days of CHRIST lampstands were in quite general use. They were tall and were usually placed on the ground. Archaeologists have unearthed some bronze lampstands fourteen inches high that had been used in palaces. They were made for holding bowls or lamps. The poor no doubt had a less expensive type.
If the family had no separate lampstand, the bushel placed on the ground upside down would serve for a lampstand, as well as a table from which the meal would be served. The lamp was to be put on the bushel and not under it (Matthew 5:15).
[Manners And Customs of Bible Lands]