scope:

This specification covers detail requirements for flat beveled wood scales with two plastic facings graduated in meters and yards at various scale ratios as specified herein.

Scales covered by this specification shall be identified by a type designation number (see 6.2) formed as indicated in GG-S-161. The type designation number is intended for cataloging and ordering purposes and not for printing on the scales. Sub-paragraphs 1.2.1.3 through 1.2.1.10 indicate the options available for the type X scale and are further identified in GG-S-161.

Spec. No. GG-S-161.

Type of scales - −X.

Shape of scales - −1 or −2.

Composition of scales - −A.

Grade of scales - −1 or −2.

Size of scales - −A or −D.

Scale graduations - −1.

Numbering of scales - −C or −E.

Style of scales - −A, −B, or −C (see 3.2.1).

Type of sheath required - −1, −2, −3, −4, −5, or −6.

intended Use:

Plotting scales, meters and yards, are used in plotting and drawing maps and charts.