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  4. 1930-06-11 (x)
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(1 - 20 of 35)
Building under construction
Title
Building under construction
Format
photograph: negative
Series
Academic Divisions
Description
Fused quartz mirror development.
Reciprocating sieve mechanism with feed and discarge containers
Title
Reciprocating sieve mechanism with feed and discarge containers
Format
photograph: negative
Date
1930-07-01
Series
Academic Divisions
Description
Fused quartz mirror development.
Building 76-B, 60″ stage
Title
Building 76-B, 60″ stage
Format
photograph: negative
Series
Academic Divisions
Description
Fused quartz mirror development.
Building 76-B, 60″ stage
Title
Building 76-B, 60″ stage
Format
photograph: negative
Date
1930-07-02
Series
Academic Divisions
Description
Fused quartz mirror development.
Frederick Lindvall and others is the advanced course in engineering
Title
Frederick Lindvall and others is the advanced course in engineering
Format
photograph: print
Date
1930-01-11
Series
Academic Divisions
Description
Lindvall is second from right in the back row. Engineering and Applied Science.
Continuous furnace for breaking up quartz to be pulverized
Title
Continuous furnace for breaking up quartz to be pulverized
Format
photograph: negative
Date
1929-12-05
Series
Academic Divisions
Description
Fused quartz mirror development.
Building--front elevation
Title
Building--front elevation
Format
photograph: negative
Series
Academic Divisions
Description
Fused quartz mirror development.
Triple burner, tubular oxy-hydrogen type, water-cooled
Title
Triple burner, tubular oxy-hydrogen type, water-cooled
Format
photograph: negative
Date
1929-08-08
Series
Academic Divisions
Description
Fused quartz mirror development.
Frederick Lindvall and others is the advanced course in engineering
Title
Frederick Lindvall and others is the advanced course in engineering
Format
photograph: print
Series
Academic Divisions
Description
He is in the back row, 3rd from left. Engineering and Applied Science.
Building--rear elevation
Title
Building--rear elevation
Format
photograph: negative
Series
Academic Divisions
Description
Fused quartz mirror development.
Continuous livigating device or elutriator
Title
Continuous livigating device or elutriator
Format
photograph: negative
Series
Academic Divisions
Description
Fused quartz mirror development.
Grinding 22″ quartz mirror blank
Title
Grinding 22″ quartz mirror blank
Format
photograph: print
Date
1929-05-09
Series
Academic Divisions
Description
Fused quartz mirror development.
Fused quartz mirror blank no. 7
Title
Fused quartz mirror blank no. 7
Format
photograph: print
Series
Academic Divisions
Description
Blank is 22″ in diameter. Fused quartz mirror development.
Fused quartz mirror blank no. 7
Title
Fused quartz mirror blank no. 7
Format
photograph: negative
Series
Academic Divisions
Description
Blank is 22″ in diameter. Fused quartz mirror development.
Building 76-B, 60″ stage
Title
Building 76-B, 60″ stage
Format
photograph: negative
Date
1930-08-18
Series
Academic Divisions
Description
Fused quartz mirror development.
Building 76-B, 60″ stage
Title
Building 76-B, 60″ stage
Format
photograph: negative
Date
1930-06-24
Series
Academic Divisions
Description
Fused quartz mirror development.
Building 76-B river works, 60″ stage
Title
Building 76-B river works, 60″ stage
Format
photograph: negative
Date
1930-05-20
Series
Academic Divisions
Description
Fused quartz mirror development.
Final dryer before bottling prepared quartz
Title
Final dryer before bottling prepared quartz
Format
photograph: negative
Series
Academic Divisions
Description
Fused quartz mirror development.
Device for lifting large quartz container from acid vats
Title
Device for lifting large quartz container from acid vats
Format
photograph: negative
Date
1930-07-01
Series
Academic Divisions
Description
Fused quartz mirror development.
Electric quartz-annealing furnace, without cover--close-up view
Title
Electric quartz-annealing furnace, without cover--close-up view
Format
photograph: negative
Date
1928-09-10
Series
Academic Divisions
Description
External diameter, 68″. Fused quartz mirror development.