Hallicrafters HT-7 Frequency Standard Manual Sorry, this product cannot be purchased. $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 SX-117 SX117 Communications Receiver Manual Ham Radio $9.99 Read more Hallicrafters SX-110 SX110 Communications Receiver Manual Ham Radio $8.99 Read more Hallicrafters SX-100 SX100 Mark1A Receiver Manual Ham Radio $8.99 Read more Hallicrafters SX-122 SX122 Communications Receiver Operating Service Instruction $8.99 Read more