Add to Cart Quick view Headway Research EC101 Photo-Resist Spinner Controller EC100A - Vintage 1970 Headway Research Was: $77.00 Was: $230.00 Headway Research EC101 Photo-Resist Spinner Controller EC100A - Vintage 1970 0-10000 RPM Vintage 1970 Condition: UsedThis used spinner controller 47419 SKU: 47419 Weight: 14.00 LBS