Chace Air Indicator U.s. Pat. No. 2,892,343 By L. M. Chace

US $740

  • Barrington, New Jersey, United States
  • Mar 5th
Used - Appearance of  discoloration on surface and in brass cup.  It is in it's original (old) opened packaging. Chace Air Indicator patented June 30, 1959 by L. M. Chace.   U.S. Pat. No. 2,892,343 The inexpensive Chace Air Indicator Kit is used for quick estimations of air content in fresh concrete and mortar.  Method is ideal for rapid field tests or to supplement air meter tests. A sample is placed in the measuring cup, then inserted into the glass tube, and the tube is filled with isopropyl alcohol. Percent air is determined by number of lines the alcohol drops in the stem of the vial after agitation. The indicator consists of a vial, (Pyrex) measuring cup, and rubber stopper. Overall length of apparatus is 6-1/2"
Condition:
Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. ...
Brand L. M. Chace
Country/Region of Manufacture United States
MPN U.S. Pat. No. 2,892,343

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