How glass is made [videorecording] :b Glassmere plant / Ford Motor Company.

Title: 
How glass is made [videorecording] :b Glassmere plant / Ford Motor Company.
Published In: 
[Glass films from the Ford Collection at The National Archives] [Dearborn, MI : Ford Motor Company, ca. 1918-1930] eleventh segment of compilation tape.
Publisher: 
[Dearborn, MI : Ford Motor Company, ca. 1930]
Description: 
1 videocassette ( min.) : si., b&w ; 3/4 in.
1 videocassette (? min.) : si., b&w ; 1/2 in.
1 videodisc ( min.) : si., b&w ; 4 3/4 in.
Other Authors: 
Ford Motor Company.
Format of Material: 
Video
Bib ID: 
59727
Find this in the library
Location: 
Audio/Video Collection
Call Number: 
Glass films from the Ford Collection at The National Archives
Holdings Note: 
VHS
Location: 
Audio/Video Collection
Call Number: 
Glass films from the Ford Collection at The National Archives
Holdings Note: 
DVD Digitized Preservation Copy
Notes: 
Originally produced on 35mm motion picture film. The original film is part of the Ford Collection owned by the National Archives, College Park, MD, Control Number NWDM(m)-200-FC-1947(a), captions related to NWDM(m)-200-FC-1920.
For study purposes only.
Caption summary: "This is the Glassmere Plant." -- "Glass was made by the ancients thousands of years before the Christian Era." -- "The End." -- "Sixteen of these vessels, each laden with a mixture of silica, sand, limestone, soda ash, etc. are placed in an oven and gradually heated to 2650 ̊F." -- "To attain this heat it requires sixteen and one-half hours time." -- "At the end of the annealing lehr the glass is conveyed to the rough cutting table." -- "The rough glass is then conveyed to the circular iron table and imbedded in Plaster of Paris." -- "At this juncture the boys execute a few intricate steps to remove excess water and air from beneath the glass." -- "Four grades of sand and three grades of emery, each finer than the one previous, grind the glass down to the required surface." --"Large bins overhead supply the grinders with sand." -- "Rouge, made of sulphate of iron, polishes the glass." -- "After washing, the glass is removed and placed on a rack for final inspection." -- "Cutting the glass to commercial sizes." -- "In contrast to the manufacturing of glass at Glassmere, are the modern methods employed at the Ford Glass Plant at Dearborn, Michigan." -- (Title in full) -- "Coming down through the ages formulas for making glass have been clung to like a recipe for a good cake." -- "At Glassmere the methods of the distant past seem to be again re-enacted as the men prepare the big three hundred and fifty gallon vessels made of clay to hold the glass." -- "Fifteen days are devoted to constructing each of these clay pots." -- "Next they are baked for ninety-nine hours and four months later are ready for use." -- "Sixteen of these vessels, each laden with a mixture of silica, sand, limestone, soda ash, etc. are placed in an oven and gradually heated to 2650 ̊F." -- "To attain this heat it requires sixteen and one-half hours time." -- "After cooling for seven hours, the crane conveys it to the 'Turtle Wagon' for skimming." -- "The molten glass is rolled out by means of a large roller, after which the plate is stowed into the lehr for annealing." -- "Sixteen of these vessels,..."
VHS.
Betacam SP.
DVD.
This segment is part of the set of short films shelved as [Glass films from the Ford Collection...] (Bib no. 59489) It was cataloged separately to provide more detailed information.
In 1921, the plant at Glassmere was owned by Allegheny Plate Glass Co.