MAS-F100108: MAS-F100108, Sussex, Porthole, Image 5 of 5.

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PORTHOLE

Unique ID: MAS-F100108

Object type certainty: Certain
Workflow status: Published Find published

This object is the remains of a brass porthole ring measuring 250 mm across with a brass rim 28 mm wide. It is thought that this frame would have been on the outside of the hull of the vessel while an internal frame on the inside of the vessel would have contained the glass element and a hinged deadlight (a metal plate that was both a curtain and a reinforcement against heavy seas).

Portholes have been used for centuries to allow light and ventilation to enter the lower, darker levels of vessels and in some early cases, as a means of seeing out of a submersible. Portholes are watertight and are generally crafted from glass, secured within a metal frame that is then bolted to the vessel. The popular metals that are used to create the frame of the portholes are bronze and brass because these metals corrode less in saltwater.

Class: Fixtures and Fittings
Sub class: Porthole

Subsequent actions

Current location of find: With finder
Subsequent action after recording: Submitted as wreck to the Receiver of Wreck

Wreck details

Droit number: 225/17

Chronology

Broad period: MODERN
Period from: MODERN
Period to: MODERN

Dimensions and weight

Quantity: 1
Width: 28 mm
Thickness: 3 mm
Diameter: 250 mm

Discovery dates

Date(s) of discovery: Wednesday 23rd August 2017

Personal details

Found by: This information is restricted for your login.
Recorded by: A BB
Identified by: Richard Endsor
Secondary identifier: V L

Other reference numbers

Droit ID: 225/17

Materials and construction

Primary material: Yellow metal
Completeness: Incomplete

Spatial metadata

County or Unitary authority: East Sussex (County)

Spatial coordinates

4 Figure: TQ4400
Four figure Latitude: 50.78170298
Four figure longitude: 0.04126088
1:25K map: TQ4400
1:10K map: TQ40SW
Display four figure position on What3Words
Unmasked grid reference accurate to a 1 metre square.

Discovery metadata

Method of discovery: Fishing
Current location: With finder

References cited

No references cited so far.

Similar objects

Find number: MAS-F100107
Object type: TRANSPORT
Broadperiod: POST MEDIEVAL
This ship's timber is 830 mm long, 110 x 120 mm in profile, with truncated 25 mm diameter treenails; and a 385 x 65 mm slot for the supporting…
Workflow: PublishedFind published

Audit data

Recording Institution: MAS
Created: Wednesday 23rd August 2017
Updated: 1 week, 5 days ago

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