Hallicrafters HT-7 Frequency Standard Manual $6.99 Category: Hallicrafters Description Description For sale is reprint of Hallicrafters Model HT-7 Frequency Standard Manual. Manual is 4 Pages long and includes Part List and Circuit Diagram. Manual consists of 6 sections: Operation, Uses. HT 7 Part List. Related products Hallicrafters S-40 S40 Communications Receiver Operating Instructions $7.99 Read more Hallicrafters S-20R S20R Sky Champion Alignment and Servicing Manual $8.99 Read more Hallicrafters SX-130 SX130 Communications Receiver Operating and Service Manual $10.49 Read more HALLICRAFTERS SX-28 Super Skyrider Manual $8.49 Read more