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. . . The smallest (4cm) or 5 inches or so seems very specific for use. . . A lathing process might account for roundness, symmetry, and markings as if marked for purpose such as to measure length or depth when combined with another tooled device or something. . . If malleable when heated and worked, that might account for the finer holes and designs even for neatly separating one piece from the main tube. . . The designs suggest a purpose and even a rotation for measuring or limited rotation . . A lathing process often has an end notch to promote the turning of the material not unlike what a woodworker today might use for lathing wood doweling or a mostly straight wooden shaft. .

"Mind like parachute, must be open to function." ~ Charlie Chan - Famous Chinese detective character

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Subject Views Written By Posted
The amazing Hongshan Natural Glass Tubes 3942 drdavidanderson 08-Feb-18 18:08
Re: The amazing Hongshan Natural Glass Tubes 651 MDaines 09-Feb-18 11:28
Re: The amazing Hongshan Natural Glass Tubes 645 drdavidanderson 09-Feb-18 15:24
Re: The amazing Hongshan Natural Glass Tubes 649 michael seabrook 11-Feb-18 21:50
Re: The amazing Hongshan Natural Glass Tubes 621 drdavidanderson 12-Feb-18 08:32
Re: The amazing Hongshan Natural Glass Tubes 626 Apap 13-Feb-18 01:04
Re: The amazing Hongshan Natural Glass Tubes 628 drdavidanderson 13-Feb-18 05:40
Re: The amazing Hongshan Natural Glass Tubes 622 Apap 13-Feb-18 22:38
Re: The amazing Hongshan Natural Glass Tubes 607 Wheeler 13-Feb-18 12:15
Re: The amazing Hongshan Natural Glass Tubes 590 drdavidanderson 13-Feb-18 12:38
Re: The amazing Hongshan Natural Glass Tubes 595 Wheeler 13-Feb-18 13:05
Re: The amazing Hongshan Natural Glass Tubes 611 drdavidanderson 13-Feb-18 14:31
Re: The amazing Hongshan Natural Glass Tubes 599 Wheeler 15-Feb-18 03:22
Tubes and ancient themes. . . 617 Reagent 15-Feb-18 07:02
. . . Forgot to ask . . 619 Reagent 15-Feb-18 07:59
Re: . . . Forgot to ask . . 579 drdavidanderson 15-Feb-18 08:16
Fine lathing technique??? 624 Reagent 15-Feb-18 08:43
Re: Fine lathing technique??? 583 drdavidanderson 15-Feb-18 08:58
Re: The amazing Hongshan Natural Glass Tubes 581 Wheeler 15-Feb-18 11:12
Re: The amazing Hongshan Natural Glass Tubes 592 drdavidanderson 15-Feb-18 11:25
Re: The amazing Hongshan Natural Glass Tubes 596 Wheeler 15-Feb-18 11:44
Re: The amazing Hongshan Natural Glass Tubes 625 jazzmumbles 15-Feb-18 13:01
Re: The amazing Hongshan Natural Glass Tubes 832 Wheeler 19-Feb-18 02:23
Re: The amazing Hongshan Natural Glass Tubes 597 drdavidanderson 19-Feb-18 13:55
Re: The amazing Hongshan Natural Glass Tubes 589 Wheeler 20-Feb-18 20:19
Re: The amazing Hongshan Natural Glass Tubes 694 drdavidanderson 20-Feb-18 18:27
Re: The amazing Hongshan Natural Glass Tubes 669 Wheeler 20-Feb-18 20:24
Re: The amazing Hongshan Natural Glass Tubes 601 drdavidanderson 20-Feb-18 21:21
Re: The amazing Hongshan Natural Glass Tubes 658 Wheeler 20-Feb-18 21:44
Re: The amazing Hongshan Natural Glass Tubes 743 Wheeler 21-Feb-18 11:51
Re: The amazing Hongshan Natural Glass Tubes 908 pgalaxy 26-May-18 11:25


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