GB191408725A - Apparatus for Measuring the Amount of Suspended Impurity in the Air. - Google Patents

Apparatus for Measuring the Amount of Suspended Impurity in the Air.

Info

Publication number
GB191408725A
GB191408725A GB191408725DA GB191408725A GB 191408725 A GB191408725 A GB 191408725A GB 191408725D A GB191408725D A GB 191408725DA GB 191408725 A GB191408725 A GB 191408725A
Authority
GB
United Kingdom
Prior art keywords
measuring
air
amount
suspended impurity
carrier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
John Switzer Owens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB191408725A publication Critical patent/GB191408725A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/06—Investigating concentration of particle suspensions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

8725. Owens, J. S. April 7. Filtering. - An airfiltering device comprises a tube or carrier C bored longitudinally and eccentrically to receive screwed and bored plugs A, B. A filterpaper is inserted through a slot S in the carrier, and is gripped between the adjacent ends of the plugs, a part of standard size being exposed by the borings in the latter.
GB191408725D 1914-04-07 1914-04-07 Apparatus for Measuring the Amount of Suspended Impurity in the Air. Expired GB191408725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191408725T 1914-04-07

Publications (1)

Publication Number Publication Date
GB191408725A true GB191408725A (en) 1914-12-17

Family

ID=32582994

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191408725D Expired GB191408725A (en) 1914-04-07 1914-04-07 Apparatus for Measuring the Amount of Suspended Impurity in the Air.

Country Status (1)

Country Link
GB (1) GB191408725A (en)

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