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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 3317 drdavidanderson 08-Feb-18 18:08
Re: The amazing Hongshan Natural Glass Tubes 507 MDaines 09-Feb-18 11:28
Re: The amazing Hongshan Natural Glass Tubes 490 drdavidanderson 09-Feb-18 15:24
Re: The amazing Hongshan Natural Glass Tubes 503 michael seabrook 11-Feb-18 21:50
Re: The amazing Hongshan Natural Glass Tubes 486 drdavidanderson 12-Feb-18 08:32
Re: The amazing Hongshan Natural Glass Tubes 468 Apap 13-Feb-18 01:04
Re: The amazing Hongshan Natural Glass Tubes 481 drdavidanderson 13-Feb-18 05:40
Re: The amazing Hongshan Natural Glass Tubes 456 Apap 13-Feb-18 22:38
Re: The amazing Hongshan Natural Glass Tubes 458 Wheeler 13-Feb-18 12:15
Re: The amazing Hongshan Natural Glass Tubes 445 drdavidanderson 13-Feb-18 12:38
Re: The amazing Hongshan Natural Glass Tubes 453 Wheeler 13-Feb-18 13:05
Re: The amazing Hongshan Natural Glass Tubes 462 drdavidanderson 13-Feb-18 14:31
Re: The amazing Hongshan Natural Glass Tubes 455 Wheeler 15-Feb-18 03:22
Tubes and ancient themes. . . 471 Reagent 15-Feb-18 07:02
. . . Forgot to ask . . 461 Reagent 15-Feb-18 07:59
Re: . . . Forgot to ask . . 437 drdavidanderson 15-Feb-18 08:16
Fine lathing technique??? 473 Reagent 15-Feb-18 08:43
Re: Fine lathing technique??? 436 drdavidanderson 15-Feb-18 08:58
Re: The amazing Hongshan Natural Glass Tubes 439 Wheeler 15-Feb-18 11:12
Re: The amazing Hongshan Natural Glass Tubes 444 drdavidanderson 15-Feb-18 11:25
Re: The amazing Hongshan Natural Glass Tubes 449 Wheeler 15-Feb-18 11:44
Re: The amazing Hongshan Natural Glass Tubes 485 jazzmumbles 15-Feb-18 13:01
Re: The amazing Hongshan Natural Glass Tubes 586 Wheeler 19-Feb-18 02:23
Re: The amazing Hongshan Natural Glass Tubes 455 drdavidanderson 19-Feb-18 13:55
Re: The amazing Hongshan Natural Glass Tubes 435 Wheeler 20-Feb-18 20:19
Re: The amazing Hongshan Natural Glass Tubes 522 drdavidanderson 20-Feb-18 18:27
Re: The amazing Hongshan Natural Glass Tubes 508 Wheeler 20-Feb-18 20:24
Re: The amazing Hongshan Natural Glass Tubes 444 drdavidanderson 20-Feb-18 21:21
Re: The amazing Hongshan Natural Glass Tubes 495 Wheeler 20-Feb-18 21:44
Re: The amazing Hongshan Natural Glass Tubes 588 Wheeler 21-Feb-18 11:51
Re: The amazing Hongshan Natural Glass Tubes 646 pgalaxy 26-May-18 11:25


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