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(21 - 38 of 38)
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.
Fused quartz mirror blank
Title
Fused quartz mirror blank
Format
photograph: negative
Series
Academic Divisions
Description
Fused quartz mirror development.
Nozzle of 616-tube burner, disassembled
Title
Nozzle of 616-tube burner, disassembled
Format
photograph: negative
Date
1930-06-11
Series
Academic Divisions
Description
Fused quartz mirror development.
Quartz shield for burner with three nozzles in line, side view
Title
Quartz shield for burner with three nozzles in line, side view
Format
photograph: negative
Date
1930-04-16
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.
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.
Burner with three 208-tube nozzles in line and with fitting for complete water cooling assembled
Title
Burner with three 208-tube nozzles in line and with fitting for complete water cooling assembled
Format
photograph: negative
Date
1930-06-02
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.
Burner with three 208-tube nozzles in line and with fitting for complete water cooling assembled
Title
Burner with three 208-tube nozzles in line and with fitting for complete water cooling assembled
Format
photograph: negative
Date
1930-06-02
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.
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.
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.
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.
View of 22″ spraying furnace showing feeders and control apparatus
Title
View of 22″ spraying furnace showing feeders and control apparatus
Format
photograph: negative
Date
1930-03-24
Series
Academic Divisions
Description
Fused quartz mirror development.
Supply of quartz from Cathance, ME for 60″ stage
Title
Supply of quartz from Cathance, ME for 60″ stage
Format
photograph: negative
Date
1930-07-21
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.
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.