5. Captions and legends to the “Marking and Punch Marking” transparencies series

Transparency No. 2.1. Scribing Tools

(1) steel scriber
(2) brass scriber
(3) pencil (soft)
(4) dividers
(5) prick-punches

1 - marking-out punch
2 - centre punch

(6) double-point punch
(7) height gauge scriber with scale

Transparency No. 2.2. Technique of Scribing and Prick-Punching

(1) locating of scriber
(2) placing the punch and upright position for punching.

Transparency No. 2.3. Scribing with Steel Squares

(1) scribing with try square
(2) scribing of shaft centre with centre square
(3) scribing of shaft centre with T-square
(4) scribing of central lines with T-square

Transparency No. 2.4. Scribing with Dividers

(1) scribing with toolmakers’ dividers
(using an inset, because the supporting point is located outside the workpiece)

(2) scribing with beam trammel

Transparency No. 2.5. Scribing with Scribing Blocks

(1) caliper gauge
(2) marking gauge
(3) height gauge scriber