Underwater Intercom Diver to Boat 1960 How-To build PLANS

Description

Plans to build a Underwater Intercom. Designed for rough boat service or dockside operations. Simple circutry and reliable for divers or repair work.
Diver wears earpiece and throat mike.
Microphone is battery powered.
This is an original 5 page magazine article from 1960.
We do not photocopy these.
Article Includes
Schematic Drawings and Photos
Complete Instructions
Materials List
Underwater Intercom Diver to Boat 1960 How-To build PLANS
Underwater Intercom Diver to Boat 1960 How-To build PLANS
Click images to enlarge
Description
Plans to build a Underwater Intercom. Designed for rough boat service or dockside operations. Simple circutry and reliable for divers or repair work.
Diver wears earpiece and throat mike.
Microphone is battery powered.
This is an original 5 page magazine article from 1960.
We do not photocopy these.
Article Includes
Schematic Drawings and Photos
Complete Instructions
Materials List
Payment
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