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Engineers' Transit No. 1M 7 sizes available from $14.95 More Info...

Surveyors' Transit No. 1S 7 sizes available from $14.95 More Info...

No. 5 1/2 Engineers' and Surveyors' Transit 7 sizes available from $14.95 More Info...

No. 11C Complete Transit-Theodolite 7 sizes available from $14.95 More Info...

Seven-Inch Complete Transit-Theodolite 7 sizes available from $14.95 More Info...

No. 15A Alt.-Azimuth 7 sizes available from $14.95 More Info...

Alt.-Azimuth 7 sizes available from $14.95 More Info...

Portable Astronomical Transit Instrument 7 sizes available from $14.95 More Info...

Cross-Section of the Berger 18 Inch Wye Level 7 sizes available from $14.95 More Info...

Radio and Television Today: America Alert! 7 sizes available from $14.95 More Info...

Short Wave Craft: How to Build a Simple Phone Transmitter 7 sizes available from $14.95 More Info...

Short Wave Craft: How to Build the 804 Power Oscillator 7 sizes available from $14.95 More Info...

Short Wave Craft: This Converter 7 sizes available from $14.95 More Info...

Radio-Craft: Submarine 7 sizes available from $14.95 More Info...

Radio-Craft: Tank 7 sizes available from $14.95 More Info...

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