File:NDL1147339 電気試験所調査報告 第34号.pdf

From Wikimedia Commons, the free media repository
Jump to navigation Jump to search
Go to page
next page →
next page →
next page →

Original file(5,533 × 3,808 pixels, file size: 22.06 MB, MIME type: application/pdf, 33 pages)

Captions

Captions

Add a one-line explanation of what this file represents

Summary

[edit]
電気試験所調査報告   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Author
逓信省電気試験所
image of artwork listed in title parameter on this page
Title
電気試験所調査報告
Volume 第34号
Publisher
工政会出版部
Language jpn
Publication date

1927

昭和2
Place of publication JP
Source

doi:10.11501/1147339

institution QS:P195,Q477675
Part Title
InfoField
第33号 送電線路の静電容量の計算式(前川幸一郎,漆畑松次郎) 第34号 トリエーテド、タングステン纎条の性質と直径、電流、温度の簡易図表(佐野昌一) 第35号 平等装荷海底電話ケーブル(光易哲郎) 第36号 自働電話交換機に関する調査(堀江貞治郎等著) 第37号 油入遮断器(内山武俊) 第38号 油槽の避雷に就て(高岸英夫) 第39号 X線放射量計に就て(安達嘉一) 第40号 電話用継電器の発熱に関する調査(堀江貞治郎,浅井安夫)
Creator
InfoField
電気試験所 編
Publication Place
InfoField
東京
Subject: NDC
InfoField
540
Extent
InfoField
8冊 ; 27cm
Material Type
InfoField
Book
Source Identifier: JPNO
InfoField
47024776
Date Digitized: W3CDTF
InfoField
2010-03-31
Audience
InfoField
一般
Title Transcription
InfoField
デンキ シケンジョ チョウサ ホウコク
Volume Transcription
InfoField
00020
Publisher Transcription
InfoField
コウセイカイ シュッパンブ
Source Identifier: NDLBibID
InfoField
000000778202
Call Number
InfoField
14.5-10イ
Creator: NDLNAId
InfoField
00314637
Type: summaryPartition
InfoField
1
Contents
InfoField
標題

目次

I. 緒言/1

II. トリエーテド、タングステンの性質に就て/4

(A) トリウム含有量に就て/4

(B) トリエーテド、タングステンが優秀なる電子放射能率を有する理由/6

(C) 含有トリウムと温度の關係/8

(D) トリエーテド、タングステン線の與力操作階梯/11

(E) トリエーテド、タングステン纖條の電子放射率及び其の他/16

(F) トリエーテド、タングステン眞空管の壽命/19

III. 直徑、温度、電流の簡易圖表と其の使ひ方/27

(A) 簡易圖表の根據と其の使ひ方/27

(B) 直徑、温度、電流の簡易表/卷末

Licensing

[edit]
This image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in the public domain for the following reason:
Public domain
According to Japanese Copyright Law (June 1, 2018 grant) the copyright on this work has expired and is as such public domain. According to articles 51, 52, 53 and 57 of the copyright laws of Japan, under the jurisdiction of the Government of Japan works enter the public domain 50 years after the death of the creator (there being multiple creators, the creator who dies last) or 50 years after publication for anonymous or pseudonymous authors or for works whose copyright holder is an organization.

Note: The enforcement of the revised Copyright Act on December 30, 2018 extended the copyright term of works whose copyright was valid on that day to 70 years. Do not use this template for works of the copyright holders who died after 1967.

Use {{PD-Japan-oldphoto}} for photos published before December 31, 1956, and {{PD-Japan-film}} for films produced prior to 1953. Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. The file must have an additional copyright tag indicating the copyright status in the United States. See also Copyright rules by territory.

العربية  Deutsch  English  español  français  Bahasa Indonesia  italiano  日本語  한국어  македонски  português  русский  українська  中文(简体)  中文(繁體)  +/−

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.

This tag is designed for use where there may be a need to assert that any enhancements (eg brightness, contrast, colour-matching, sharpening) are in themselves insufficiently creative to generate a new copyright. It can be used where it is unknown whether any enhancements have been made, as well as when the enhancements are clear but insufficient. For known raw unenhanced scans you can use an appropriate {{PD-old}} tag instead. For usage, see Commons:When to use the PD-scan tag.


Note: This tag applies to scans and photocopies only. For photographs of public domain originals taken from afar, {{PD-Art}} may be applicable. See Commons:When to use the PD-Art tag.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current19:05, 5 December 2023Thumbnail for version as of 19:05, 5 December 20235,533 × 3,808, 33 pages (22.06 MB)Wmr-bot (talk | contribs)上載《1147339.pdf》

Metadata