leclerc artisat 36 4 shaft 6 treadle harrisville 36 4 shaft 6 treadle loom consignment inca 4 harness floor loom warp a 4 harness loom with peggy orco 74 loom 4 harness 6 treadle gilmore maple floor looms weaving double weave on 4 shaft looms nilus leclerc loom history sle loom 40 cm weaving width used equipment 4 harness weaving with erica loom ashford jack floor loom fiber to yarn