. QST . design insures operating stability. Coils are wound on heavy dutyceramic forms, using Litz or double cellulose wire coated with Variable capacitor is of differential type construction, especially de-signed for ma.\imum bandspread and features ceramic insulation and doublebearings. This kit is furnished with a carefully precalibrated dial which provides wellover two feet of calibrated dial scale. Smooth acting vernier reduction easy tuning and zero beating. Power requirements volts AC at . and 250 volts DC at lo mills. Just plug it into t
. QST . design insures operating stability. Coils are wound on heavy dutyceramic forms, using Litz or double cellulose wire coated with Variable capacitor is of differential type construction, especially de-signed for ma.\imum bandspread and features ceramic insulation and doublebearings. This kit is furnished with a carefully precalibrated dial which provides wellover two feet of calibrated dial scale. Smooth acting vernier reduction easy tuning and zero beating. Power requirements volts AC at . and 250 volts DC at lo mills. Just plug it into the power receptacleprovided on the rear of the AT-1 Transmitter Kit. The VFO coaxial outputcable icrmiiiiitcs in plastic plug to fit standard J^ crystal holder. Construction isslmi>lc and wiring is easy. Smooth acting illuminated layout,— Clean easy to l>uild appearance — rugged wirinE. -^m construction - ^^^^^H accessible HH^^I 1 calibrating bISI 1 adjustments. ^eaM4ci; AMATEUR TRANSMITTER KIT. MODEL AT-1 2950 Here is a major Heathklt addition to the Ham radio field, theAT-1 Transmitter Kit, incorporarlng many desirable designfeatures at the lowest possible dollar-per-watts price. Panelmounted crystal socket, stand-by switch, key click filter,A. C. line filtering, good shielding, etc. VFO or crystal excita-tion—up to 35 watts input. Built-in power supply provides425 volts at 100 MA. Amazingly low kit price includes allcircuit components, tubes, cabinet, punched chassis, anddetailed ronstniotinn manual. Four band operation 533 to to 35 Mc, Stable BFOoscillatorcircuit.
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Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectradio, bookyear1915
