The ceramic insulators were used by the PMG to insulate telephone lines connecting to the lightstation accommodation. The installation of a single galvanised wire telegraph line in 1873 provided the lightstation with a vital link to the outside world via Morse code. In 1875, the Australasian Sketcher reported on the new facility, writing that ‘the lighthouse on the extreme point of the promontory is connected with Melbourne by a line of telegraph, and as a large number of vessels pass in sight of the lighthouse, useful information is gained respecting their movements’.The system was immobilised in 1885 when a thunderstorm caused some of the poles to explode and connection wires to fuse and turn into molten metal. During WWII the lighthouse line was upgraded to four copper wires, and in 1971 a radio link replaced the line. The lines required constant maintenance. Some poles remain along the length of the promontory’s Telegraph Track as reminders of this former communication link. Insulators can also be found in the collections at Cape Schanck; Cape Otway and Gabo Island. Comprises a white ceramic insulator attached to a rectangular metal plate.

Modern communications technology arrived on Gabo Island with the construction of the telegraph line from Eden to Gabo Island in 1870. This type of insulator was usually used with radio antennae wires, telegraph and radio antennae equipment. The items of telegraphic equipment comprise a number of ceramic and glass insulators of varying age and type. Five, knuckle-shaped white glazed ceramic examples are associated with radio antennae wires. In addition to insulators, there is a telephone insulator bracket made of metal with wooden pins. It was once attached to the top of a steel pole and some of these remain in situ along the former telegraph line. Telegraphic communication commenced at the Gabo Lightstation in 1870, just eight years after the lightstation opened. The line from Sydney reached Eden, NSW by 1868 and was then extended to Gabo with the costs shared equally by NSW and Victoria. It was initially carried on posts across the sea to the island but was changed to a line along the seabed after the posts were washed away. The first telegraph office was a timber building on east side of the assistants’ quarters. In 1887 a new concrete telegraph office was built which included quarters for the operator, with Victoria and NSW sharing the construction costs. The 1992 CMP identified remnants of the line from its various phases of operation, and these can still be seen in 2016. Other ceramic insulators in the collection are associated with lines supported on utility poles for the transmission of high voltage electricity. .The various insulators have second level significance for their historic value and provenanceFive white glazed ceramic insulators. Knuckle bone sized, oval shaped with one opening at either end. All five are the same.

Modern communication tecnology arrived on Gabo Island with the construction of the telegraph line from Eden to Gabo Island in 1870. These and other cylindricial insulators were associated with the original 1870 copper wire telegraph line and later the P.M.G. line. The items of telegraphic equipment comprise a number of ceramic and glass insulators of varying age and type. Two bell-shaped insulators are made of clear glass, one with remains of wooden dowel inside. In addition to insulators, there is a telephone insulator bracket made of metal with wooden pins. It was once attached to the top of a steel pole and some of theseremain in situ along the former telegraph line. Telegraphic communication commenced at the Gabo Lightstation in 1870, just eight years after the lightstation opened.The line from Sydney reached Eden, NSW by 1868 and was then extended to Gabo with the costs shared equally by NSW and Victoria. It was initially carried on posts across the sea to the island but was changed to a line along the seabed after the posts were washed away. The first telegraph office was a timber building on east side of the assistants’ quarters. In 1887 a new concrete telegraph office was built which included quarters for the operator, with Victoria and NSW sharing the construction costs. The 1992 CMP identified remnants of the line from its various phases of operation,231 and these can still be seen in 2016. Other ceramic insulators in the collection are associated with lines supported on utility poles for the transmission of high voltage electricity. The various insulators have second level significance for their historic value and provenance1. Clear glass insulator. Cyndrical bottle shape with smaller dome -like knob on top. Hollow with inscription on lower edge. Has remains of wooden dowell inside. 2.Clear glass insulator. Cyndrical bottle shape with smaller dome -like knob on top. Hollow with inscription on lower edge.Around lower edge on opposite sides,"C.C / 42"

Modern communication technologyarrived on gabo Island with the construction of the telegraph line from Eden to Gabo Island in 1870. The insulator is associated with the telegraph station. Used at the H.F Radio Beacon. The items of telegraphic equipment comprise a number of ceramic and glass insulators of varying age and type. In addition to insulators, there is a telephone insulator bracket made of metal with wooden pins. It was once attached to the top of a steel pole and some of these remain in situ along the former telegraph line (0044). Telegraphic communication commenced at the Gabo Lightstation in 1870, just eight years after the lightstation opened. The line from Sydney reached Eden, NSW by 1868 and was then extended to Gabo with the costs shared equally by NSW and Victoria. It was initially carried on posts across the sea to the island but was changed to a line along the seabed after the posts were washed away. The first telegraph office was a timber building on east side of the assistants’ quarters. In 1887 a new concrete telegraph office was built which included quarters for the operator, with Victoria and NSW sharing the construction costs. The 1992 CMP identified remnants of the line from its various phases of operation,and these were seen in 2016. Other ceramic insulators in the collection are associated with lines supported on utility poles for the transmission of high voltage electricity. The various insulators have second level significance for their historic value and provenanceFour armed cross shaped insulator with two holes through diagonally opposite sections. It is ceramic with a clear glaze.

Found on a wood heap near the tractor shed. Only the top portion remains. The former fixture is the tapered top section of the wooden flagpole that formerly stood at the front of the head keepers quarters. There is a hole with attached metal pulley near the top which allowed for hoisting the flags to signal passing ships. Signal flags were hoisted on the flagpole and were used to communicate with passing shipping. Messages were then relayed by the overland telegraph line to Eden. Remains of black paint provide evidence of the blackout measures implemented during World War 11. The pole is currently fixed to a stand to allow for its display.The pole remnant has second level significance for its historic value and provenance.Top sction of a flagpole. At the top it is tapered and fashioned into a square section. Near the top of the pole is a hole with a metal pulley inside. There is black and white paint flaking off leaving bare wood.

Greeting card from Neville Emerson and Staff with sketch commissioned by Neville Emerson Real Estate. Church is Methodist, built 1880. Eltham Hotel is the square building on the left hand side of the road at apex of Maria St, built 1852. Post Office is on the left side of road above the child's head. Note only telegraph lines on top of poles: phone still being "invented". Print of ink sketch, reproduced as greeting cardart, emerson real estate, bridge street, little eltham, main road, maria street, don brown

Black and White Photograph of Bourke St looking east with the GPO in the background. Has about 5 cable tram sets in the photograph. shows the telephone pole lines with the Wertheim building, a telegraph works, hotels and horse drawn vehicles. See Reg Item 5000 for a different crop and a better print.On rear in pencil "WB 135H"trams, tramways, cable trams, bourke st, melbourne

Black and White Photograph of Bourke St looking east with the GPO in the background. Has about 5 cable tram sets in the photograph. shows the telephone pole lines with the Wertheim building, a telegraph works, hotels and horse drawn vehicles. See Reg Item 3382 for a different crop but a poorer print.Black and white photograph of Bourke St c1900trams, tramways, cable trams, bourke st, melbourne