200-inch Disk

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Object Name: 
Telescope Mirror
Title: 
200-inch Disk
Accession Number: 
99.4.91
Dimensions: 
Overall W: 508 cm
Location: 
On Display
Date: 
1934
Primary Description: 
Telescope Mirror, "200-inch Disk". Yellowish borosilicate glass; cast. Circular disk, 200 inches across and weighing 20 tons; waffle pattern on one side, plain surface on other; metal rods embedded in glass on waffled side.
Color: 
Technique: 
The Flood of '72: Community, Collections, and Conservation (2012) illustrated, p. 10; BIB# AI88418
Celebrating 60 Years (2011) illustrated, p. 3; BIB# AI88806
Kiln Forming Glass (2010) illustrated, p. 39; BIB# 110657
A Sparkling Celebration: The Corning Glass Center Shines Through Four Decades (1991) illustrated, p. 21 (bottom left), p. 37; BIB# 138761
Glass in science and industry (1960) illustrated, p. 15; BIB# 31658
The Corning Glass Center (1958) illustrated, p. 7; BIB# 26395
Making the Glass Disk for a 200-inch Reflecting Telescope (1934-07) pp. 79-86;