Figure 1
Attributes of Micrographics Advantages Disadvantages -- relatively low cost -- slow retrieval speed -- recognized archival medium -- use can cause wear -- inexpensive reader -- integrity of manual files -- most cost-effective grayscale storage -- single-user access is a problem -- accepted as a legal medium -- less than ideal output quality -- excellent compaction -- resolution loss with -- standards for creating, succeeding copies processing, duplicating, storing, and reading exist
Figure 2
Attributes of Digital Imaging Advantages Disadvantages -- excellent record access, distribution, -- relatively high but and transmission decreasing cost -- multi-user simultaneous access -- relatively new technology -- file integrity -- permanent, but not -- improved quality possible through electronic archival, storage image processing (restoration and enhancement) medium -- high-quality printed output -- not yet accepted as -- no degradation on successive copies legal reproduction (each copy is as good as the original copy) -- implementation and -- easily reformatted (cut and paste) operating costs -- OCR to text possible increase in -- electronic links to provide retrieval of direct proportion to individual pages quality of captured image (resolution)
Figure 3
Attributes of Optical Disc Advantages Disadvantages -- high speed retrieval -- high (but declining) cost -- longevity 20 years -- relatively expensive -- preserves file integrity retrieval systems required -- multi-user access -- not yet cost-effective for -- no wear during usage (non-contact storage of grayscale page images read) -- excellent compaction -- excellent prospects for permanent -- not yet accepted as legal (not archival) storage document storage medium
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[Figures 4-8 consist of non-textual material unavailable in this electronic version]
Figure 9a
Preservation Microfilming System Single Camera, Low-Speed Processor--Costs to Purchase Item Cost # Total Cost Camera (used) $20,000 1 $20,000 Camera ( new ) $100,000 Book cradle $5,000 1 $5,000 Film processor (low) $15,000 1 $15,000 Film processor (med) $40,000 Film processor (high) $100,000 Densitometer $3,000 1 $3,000 Microscope $1,500 1 $1,500 Film printer $10,000 1 $10,000 Inspection reader $2,000 1 $2,000 Misc. inspection equipment $400 1 $400 Film winder $500 1 $500 Ultrasonic splicer $3,000 1 $3,000 Darkroom support equipment $3,000 1 $3,000 Sensitometer $2,000 1 $2,000 Darkroom supplies $550 1 $550 Plumbing $1,000 1 $1,000 A/C & humidity $3,00 1 $3,000 Construction & supplies $4,000 1 $4,000 Total $73,950
Figure 9b
Multiple Camera, Low-Speed Processor-- Costs to Purchase Item Cost # Total Cost Camera (used) $20,000 5 $100,000 Camera (new) $100,000 Book cradle $5,000 5 $25,000 Film processor (low) $15,000 2 $30,000 Film processor (med) $40,000 Film processor (high) $100,000 Densitometer $3,000 2 $6,000 Microscope $1,500 1 $1,500 Film printer $10,000 2 $20,000 Inspection reader $2,000 2 $4,000 Misc. inspection equipment $400 2 $800 Film winder $500 2 $1,000 Ultrasonic splicer $3,000 2 $6,000 Darkroom support equipment $3,000 1 $3,000 Sensitometer $2,000 1 $2,000 Darkroom supplies $550 2 $1,100 Plumbing $1,000 2 $2,000 A/C & humidity $3,000 2 $6,000 Construction & supplies $4,000 2 $8,000 Total $216,400
Figure 9c
Preservation Microfilming System Multiple Camera, Medium-Speed Processor--Costs to Purchase Item Cost # Total Cost Camera (used) $20,000 10 $200,000 Camera ( new ) $100,000 Book cradle $5,000 10 $50,000 Film processor (low) $15,000 1 $15,000 Film processor (med) $40,000 1 $40,000 Film processor (high) $100,000 Densitometer $3,000 2 $6,000 Microscope $1,500 1 $1,500 Film printer $10,000 3 $30,000 Inspection reader $2,000 2 $4,000 Misc. inspection equipment $400 2 $800 Film winders $500 3 $1500 Ultrasonic splicer $3,000 3 $9,000 Darkroom support equipment $3,000 2 $6,000 Sensitometer $2,000 1 $2,000 Darkroom supplies $550 3 $1,650 Plumbing $1,000 3 $3,000 A/C & humidity $3,000 3 $9,000 Construction & supplies $4,000 3 $12,000 Total $391,450
Figure 9d
Preservation Microfilming System Multiple Camera, High-Speed Processor--Costs to Purchase Item Cost # Total Cost Camera (used) $20,000 20 $400,000 Camera (new) $100,000 Book cradle $5,000 20 $100,000 Film processor (low) $15,000 1 $15,000 Film processor (med) $40,000 Film processor (high) $100,000 1 $100,000 Densitometer $3,000 3 $9,000 Microscope $1,500 1 $1,500 Film printer $10,000 4 $40,000 Inspection reader $2,000 2 $4,000 Misc. inspection equipment $400 3 $1,200 Film winder $500 4 $2,000 Ultrasonic splicer $3,000 4 $12,000 Darkroom support equipment $3,000 2 $6,000 Sensitometer $2,000 1 $2,000 Darkroom supplies $550 4 $2,200 Plumbing $1,000 4 $4,000 A/C & humidity $3,000 4 $12,000 Construction & supplies $4,000 4 $16,000 Total $726,900
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[Figures 10-19 consist of non-textual material unavailable in this electronic version]