Add to Cart Quick view Heathkit GD-1B Grid Dip Meter in Excellent Condition with the Coil Set heathkit MSRP: Now: $39.99 Was: Heathkit GD-1B Grid Dip Meter in Excellent Condition with the Coil Set This GD-1B and coil set is in excellent shape and appears to be working. A copy of the manual is included... MSRP: Now: $39.99 Was: Add to Cart Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $39.99 Was: Subtotal: Add to Cart