Electronic Instrument Co. Showing all 4 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Grid view List view EICO Model 147 Deluxe Signal Tracer Instruction Manual $7.99 Add to cart EICO Model 950B Resistance-Capacitance-Compactor Bridge Construction Manual $7.99 Add to cart EICO Model HF-60 Hi-Fi Amplifier Operating and Construction Manual $9.99 Add to cart EICO Model HF-61A Hi-Fi Preamplifier Operating and Construction Manual $9.99 Add to cart