Document ID: chunk:federal_register_of_legislation:F2023L01286:reg:2028:p2
Version: federal_register_of_legislation:F2023L01286
Segment Type: reg
Provision Reference: reg 2028 (pt 2/9)
Character Range: 148929–151690

and is distinguished from restoration by the introduction of new material.
Related object means an object that contributes to the cultural significance of a place but is not at the place.
Related place means a place that contributes to the cultural significance of another place.
Restoration means returning a place to a known earlier state by removing accretions or by reassembling existing elements without the introduction of new material.
Setting means the immediate and extended environment of a place that is part of or contributes to its cultural significance and distinctive character.
Use means the functions of a place, including the activities and traditional and customary practices that may occur at the place or are dependant on the place.

Appendix 2. Glossary of historic lighthouse terms relevant to Gabo Island Lighthouse
A
Apron Paving – the concrete paving surround the base of the lighthouse tower.

Astragal – the bars which support the glazing of a lantern. They may also support the roof. Simply a framing member between the glazing bars in the lantern glazing. In its true meaning an astragal is a moulding that has a rounded profile. In lanterns this is almost never the case.

B

Balcony – a walk way around the outside of the lantern, used for maintenance and (formerly, when lighthouses were manned) for observing ships. Principal parts are the balcony floor and the balcony balustrade. (Synonym: gallery deck).

Balcony Floor – floor of the balcony. Gabo Island's balcony floor is of 1862 stone slab.
Balcony Balustrade – a handrail together with its supports. The supports are called balusters. Simply a railing or wall on the outer perimeter of the balcony, to prevent people from falling off the balcony. Generally made of metal stanchions and rails – Gabo Island's balcony balustrade is 1962 welded mild steel.

Balcony door – door in the lantern base to give access to the balcony. In AMSA lanterns two doors are sometimes fitted but only one is operational. (Synonym: parapet hatch, service room door). Gabo Island has two balcony doors, one is operation and the other is sealed shut.

C

Cast iron – a mixture of iron and carbon with a relatively high carbon content and a low melting point, produced directly from a blast furnace.

Chance Bros – English manufacturer of optical apparatus, lanterns, cast iron stairs, cast iron towers, and other lighthouse components. The Chance family established a glass-making business in Smethwick, England in 1824 and is often described as 'near Birmingham'. The business was absorbed into the Pilkington group of companies in 1951 and now ceases to exist.

Character – pattern of flashes of light emitted by a lighthouse, designed to identify that particular lighthouse.

Copper – a