Topcon AG-30B Precision Optical Instrument Survey Construction Transit Pet Containment System 50 general Midi synth sounds

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Built-in micro switch for alarm trigger

On the back there is a 3

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Topcon AG-30B Precision Optical Instrument Survey Construction Transit Pet Containment System 50 general Midi synth soundsThe AG 30B has glass circles, instead of metal. Combined with the built in magnifier system, this makes for easy and convenient angle reading. The horizontal and vertical angles are read by scale direct to 30 seconds. Of course, you get an optical plummet. and a powerful 30x telescope with quality Japanese optics rounds out the package. This instrument is in good cosmetic and excellent operating condition. It will come to you completely cleaned,