Description and conditionDescription and condition

Description and condition

1901 French-made part-spherical dome of copper

sheets lapped and screwed.

• Ribs – Not visible but presumed to be cast iron

radial ribs.

• Inner skin – Copper sheets screw fixed to ribs.
• Ventilator – Drum type with wind vane attached.
• Wind vane – Intact and complete with cardinal direction indicators, spindle, gears, and internal pointer (no index).
• Lightning conductor – Vertical pole beside ventilator, with four spikes at top, and two braces to ventilator. Eight vertical spikes attached near the gutter.
• Gutter – Circular ring of cast iron pieces bolted

together.

• Handrails – One circular hand rail attached to lantern roof, another attached to top of ventilator drum.
• Ladder rail – Attached to underside of gutter.
• Curtain rail – None; curtain hooks fixed to the

top of each vertical astragal.

• Drip tray – Copper dish suspended under ventilator, with central hole for heat tube closed off.



• Heat tube support – Framework with eight radial members of rolled ferrous T section, attached to gutter and to central ring.