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  • 11
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    Unknown
    Automatic inoculating apparatus (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An automatic inoculating apparatus for agar trays is described and using a simple inoculating element, such as a cotton swab or inoculating loop. The apparatus includes a movable carriage for supporting the tray to be inoculated, a drive motor for moving the tray along a trackway, and a swabbing motor for automatically swabbing the tray during the movement. An actuator motor controls lowering of the inoculating element onto the tray and lifting of the inoculating element. An electrical control system, including limit microswitches, enables automatic control of the actuator motor and return of the carriage to the initial position after inoculating is completed.
    Keywords: LIFE SCIENCES (GENERAL)
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 12
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    Apparatus for microbiological sampling (1974)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An automatic apparatus is described for microbiologically sampling surface using a cotton swab which eliminates human error. The apparatus includes a self-powered transport device, such as a motor-driven wheeled cart, which mounts a swabbing motor drive for a crank arm which supports a swab in the free end thereof. The swabbing motor is pivotably mounted and an actuator rod movable responsive to the cart traveling a predetermined distance provides lifting of the swab from the surface being sampled and reversal of the direction of travel of the cart.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 13
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    Automated single-slide staining device (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: A simple apparatus and method is disclosed for making individual single Gram stains on bacteria inoculated slides to assist in classifying bacteria in the laboratory as Gram-positive or Gram-negative. The apparatus involves positioning a single inoculated slide in a stationary position and thereafter automatically and sequentially flooding the slide with increments of a primary stain, a mordant, a decolorizer, a counterstain and a wash solution in a sequential manner without the individual lab technician touching the slide and with minimum danger of contamination thereof from other slides.
    Keywords: LIFE SCIENCES (GENERAL)
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 14
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    Microbiological surface sampling cart (1972)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Mobile sampling cart automatically swabs surfaces for the recovery of microorganisms. Unit operates without human involvement and provides for control of swabbing speed, rotation of cotton swab, and the pressure and angle applied to swab. Capability of reverse direction is also available. Sampling cart use is limited to flat surfaces.
    Keywords: LIFE SCIENCES
    Type: LAR-11069
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 15
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    Measuring internal dimensions of small transparent objects (1971)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: Technique individually photographs first the orifice in the transparent object and then a microscopic scale immersed in a liquid having the same index of refraction as the transparent object. Using a scale photograph, the orifice photograph is measured.
    Keywords: FABRICATION TECHNOLOGY
    Type: LAR-10712
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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