Where reads a production number (Army Indicator volume)

The characteristic of an army Indicator

※ It is displayed by the combination of the numbers or alphabet and number of 6 column usually,
※ The number of the head is given a number every a production company.
　　(Differing every an Indicator it is not the fixation number of a company. )
(As for the number and the name of an era of the head, seems to there is not relation at all. )


Case of Turn and Bank Indicator

※ When the first number is picked up most most it becomes 5.7 and 8 be Tokyo, 4 and 6 beTanaka.
※ TA and TE Unkown,(T the initial of Tokyo? )
※ Case of other Indicators: It becomes the same result even in

Indicator name Production time Production number Production company
Tun and Bank Indicator Septembe.Showa 12 21670 Unkown
Type 98 Tun and Bank Indicator Unkown 44454 Tanaka Indicator production place
Type 98 Tun and Bank Indicator Unkown 49259 Tanaka Indicator production place
Type 98 Tun and Bank Indicator Unkown 64836 Tanaka Indicator production place
Type 98 Tun and Bank Indicator Unkown 66008 Tanaka Indicator production place
Type 98 Tun and Bank Indicator Showa16 TA5011 Tokyo aviation Indicator Co., Ltd.
Type 98 Tun and Bank Indicator Unkown TA7957 Tokyo aviation Indicator Co., Ltd.
Type 98 Tun and Bank Indicator Unkown TE 840 Tokyo aviation Indicator Co., Ltd.
Type 98 Tun and Bank Indicator Unkown TE80270 Tokyo aviation Indicator Co., Ltd.
Type 98 Tun and Bank Indicator Unkown TE82530 Tokyo aviation Indicator Co., Ltd.
Type 98 Tun and Bank Indicator Unkown 906740 Unkown
A few 1 : Unkown, 4 6: Tanaka, 5 7 8: Tokyo, 9: Unkown
Army
TE8: Tokyo aviation Indicator
TA8: Tokyo aviation Indicator, T: the omission of a/the Tokyo aviation Indicator if?
DB4: Tokyo aviation Indicator, 42
R40: YOKOGAWA ELECTRIC CORP. production place


Case of Air Speed Indicator
※ It becomes 6 column numbers from about ※ Showa 17.
※ Number of the head is not the name of an era
※ 3 or 31 be the number that Shimadzu Corp., 1 or 15, 2 or 20 21, 4 or 40 were assigned in Tanaka Indicator production place
※ In the case that there is big improvement it, be displayed to name itself
Would the number change by the change of cipher etc., about etc., in the case that there was small reconstruction? . (hypothesis)
Indicator name Production time Production number Production company
Air Speed Indicator Model 3 April.Showa15 15104 1 5104 Tanaka Indicator production place
June.Showa16 20793 20 794 Tanaka Indicator production place
October.Showa17 208566 20 8566 Tanaka Indicator production place
Unkown 210391 21 391 Tanaka Indicator production place
Unkown 211619 21 16,619 Tanaka Indicator production place
Unkown 31380 3 1398 Shimadzu Corp.
Unkown 406524 40 6524 Tanaka Indicator production place
As for 1. 2. 4 of the number of the heads be Tanaka. 3 of the number be Shimazu
6 column from about Showa 17



Case of Altimeter
※ The number of the head is given by the tyoe.
　　(As for a precise altimeter Model 2 the Tanaka Indicator production place and also Kuzu research institute are manufacturing it )
※ the number of the head is given 3 same or 30.
　　(The company name, type, small reconstruction etc. are written to plate. )
※ The number of the head is changed even in the difference of the type and also production place.
※ Probably was I give a number later by the production number (the finished goods), in the case that the company which differs is
　　manufacturing the same Indicator? Or, the production number there is the possibility that the same Indicator exists.
※ Kuzu research institute and Tanaka Indicator production place a near number (Kuzu: 303,097, Tanaka: 303,514 etc.) in the case of,
　　Kuzu Research institute, be the subcontract company of a Tanaka production place and deliver the Indicator that finished to Tanaka
　　and be displaying it with a single number in Tanaka Whether or not? (hypothesis)
Indicator name Production time Production number Production company
Altimeter Unkown 16122 1 6122 Unkown
Altimeter Model 3 Unkown 210391 21 0391 Tanaka Indicator production place
Precise altimeter Model 2 September.Showa16 3928 30 0928 Kuzu research institute
Precise altimeter Model 2 Unkown 303097 30 3097 Kuzu research institute
Precise altimeter Model 2 Unkown 301880 30 1880 Unkown
Precise altimeter Model 2b Unkown 303514 30 3514 Tanaka Indicator production place
Precise altimeter Model 2b Unkown 303888 30 3888 Unkown
Precise altimeter Model 2b Unkown 307694 30 7694 Tanaka Indicator production place
Precise altimeter Model 2b Unkown 309545 30 9545 Tanaka Indicator production place
Altimeter model 3a Unkown 400877 40 0877 Tanaka Indicator production place
Altimeter model 3a Unkown 404078 40 4078 Tanaka Indicator production place
Precise altimeter Model 2: Head number 3 30, Model 3s: Head number 21, model 3as: Head number 40