EditorialLog with Two Rotating Vanes, Mechanical log consisting of a fence log in a box and two log fins, one of which must be attached with a log line on the reverse, the second log serves as a reserve. The log fins are cylindrical floats with three helical wi...
EditorialRotating Vane, Mechanical log consisting of a fence log in a box and two log fins, one of which must be attached with a log line on the reverse, the second log serves as a reserve. The log fins are cylindrical floats with three helical wings, which dri...
EditorialLog, Mechanical log consisting of a fence log in a box and two log fins, one of which must be attached with a log line on the reverse, the second log serves as a reserve. The log fins are cylindrical floats with three helical wings, which drive the ste...