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 SX-28-A SX28A Super Skyrider Receiver Manual HAM RADIO $8.99 Read more Hallicrafters S-37 S37 Very High Frequency Receiver Manual $11.99 Read more Hallicrafters SX-111 SX111 MK1 Receiver Manual Ham Radio $9.99 Read more Hallicrafters S-22-R Skyrider Marine Alignment and Servicing Manual $8.99 Read more