A tandem diameter gauge for use in Antarctic ice hole

A diameter gauge which has two diameter calipers 0.53m apart was developed for the Japanese Antarctic Research Expedition. Each caliper has three contact wheels which are spring-loaded through the supporting rods. The use of two calipers makes a better alignment between the axes of the hole and the...

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Bibliographic Details
Main Authors: Naruse,Renji, Shimbori,Kunio, Akitaya,Eizi, Suzuki,Yosio
Format: Report
Language:English
Published: Institute of Low Temperature Science, Hokkaido University/Institute of Low Temperature Science, Hokkaido University/Institute of Low Temperature Science, Hokkaido University/Institute of Low Temperature Science, Hokkaido University 1985
Subjects:
Antarctic
Antarc*
Memoirs of National Institute of Polar Research
Polar Research
Online Access:https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=1849
http://id.nii.ac.jp/1291/00001849/
https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=1849&item_no=1&attribute_id=18&file_no=1
Description
Summary:A diameter gauge which has two diameter calipers 0.53m apart was developed for the Japanese Antarctic Research Expedition. Each caliper has three contact wheels which are spring-loaded through the supporting rods. The use of two calipers makes a better alignment between the axes of the hole and the gauge. Diameters in the range from 90 to 190mm can be measured with an accuracy of ±1.5mm.

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