THE MANUFACTURE OF MILBURN PORTLAND CEMENT AT THE COMPANY’S WORKS BURNSIDE DUNEDIN

Rights Information
Year
1930
Reference
F102855
Media type
Moving image
Item unavailable online
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Rights Information
Year
1930
Reference
F102855
Media type
Moving image
Item unavailable online
Place of production
New Zealand/Aotearoa
Categories
In-House
Duration
0:44:11

Elevated view of Milburn Lime & Cement works, Burnside in Dunedin. Various views of the site. Workers milling about. Draftsman at desk.
Intertitle: “Burnside Marl Quarry where one of the raw materials is obtained.” The raw hillside of the quarry. Digger in action and workers moving rail carts of marl by hand.
“Marl is washed to form a slurry and pumped to storage silo.” This process is shown.
“Limestone from Milburn and Dunback Quarries being unloaded by tippler and conveyed to storage.” Small transporting limestone. Section of the track tips, allowing a rail cart empty its contents onto conveyor.
“Limestone and marl mixed in correct proportions and pulverised to a fine slurry.”
“Slurry is pumped to holding and correcting silos and is agitated and mixed by compressed air.” Lignite is passed into the huge rotary dryer.
“The cement Clinker is cooled, weighed and conveyed to storage.”
“The clinker with the addition of gypsum is ground to become Portland Cement.” Mixing of the elements in rotary mixer.
“Showing bag store, darning machines.” Workers piling bags in the store room, ready to be filled. Mean sewing up the bags. Bags in elevator taken up a floor were they are filled with cement. They are then conveyed to the rail carts and onto trucks which are seen leaving the works.
Limestone shovelled from a rail cart.
“Switchroom.”

“Hydrate of Lime Plant. This lime manufactured from the famous Milburn Rotary Burnt Lime.”
“Engineers’ shop.” “Carpenters‘ shop.” “Testing and chemical laboratory.”
Elevated views of the company’s lime works at Milburn. Man shovelling material onto a horse cart. Digger attacking limestone hill. Digging holes for dynamite. Detonation. Hillside collapses in loud of dust. Hand pushed carts take away the raw materials. The tippler enables the material to placed in a giant grinder. Transporting lime on rail. Processed in a factory. Trains coming in and out of the factory via small tunnels. Man sweeping beneath huge rotary dryer.
“The company’s lime works and quarries at Dunback, Otago.” Buildings beside quarry. Digger in action. Rail system. Conveyor system.

“The Waitaki Hydro Electric power works where Milburn Portland Cement is Solely used.” Panned shots of the construction site. Views of the major building, powerhouse etc.. Workers mixing concrete. Pouring concrete. Rail system transporting the cement and aggregate. Workers digging and excavating with picks and shovels. Arrival of worker’s children on train. [Worker’s housing]. Rail bridge across Waitaki River.