〔メモ〕
Yuzuru Hiraga Digital Archive | Kashiwa Library
三菱造船所船型試験課ニ於ケル球ノ実験装置 海軍技術研究所研究部造船班
Yuzuru Hiraga Digital Archive | Kashiwa Library
ARRANGEMENT OF HELE-SHAW ELECTRIC HYDRAULIC STEERING GEAR
Yuzuru Hiraga Digital Archive | Kashiwa Library
COMPARATIVE RESULTS OBTAINED FROM MILD STEEL, HIGH TENSILE STEEL, AND DUCOL STEEL FOR INFORMATION OF ADMIRAL Y. HIRAGA
Yuzuru Hiraga Digital Archive | Kashiwa Library
「ニューヨークシップ」造船所視察報告
Yuzuru Hiraga Digital Archive | Kashiwa Library
PARTICULARS OF THREE QUALITIES OF STEEL WHICH WERE FORWARDED TO ADMIRAL Y. HIRAGA
Yuzuru Hiraga Digital Archive | Kashiwa Library
DUCOL STEEL (LETTERS FROM DAVID COLVILLE & SONS)
Yuzuru Hiraga Digital Archive | Kashiwa Library
RESULTS OF TESTS OF SPECIMENS, 「マンチェスター」「アームストロング」製綱所記事添付書類
Yuzuru Hiraga Digital Archive | Kashiwa Library
封筒宛名JOHN HASTIE & CO., ltd.より ADMIRAL Y. HIRAGA
Yuzuru Hiraga Digital Archive | Kashiwa Library
LETTER FROM HAMMOND & CO. TO ADMIRAL HIRAGA
Yuzuru Hiraga Digital Archive | Kashiwa Library
LETTER FROM JOHN HASTIE & CO. TO HAMMOND & CO.
Yuzuru Hiraga Digital Archive | Kashiwa Library
LETTERS FROM JOHN HASTIE & COMPANY LTD. TO ADMIRAL Y. HIRAGA
Yuzuru Hiraga Digital Archive | Kashiwa Library
ARRANGEMENT OF HELE-SHAW ELECTRIC HYDRAULIC STEERING GEAR
Yuzuru Hiraga Digital Archive | Kashiwa Library
PROPOSED ARRANGEMENT OF HELE-SHAW ELECTRIC HYDRAULIC STEERING GEAR
Yuzuru Hiraga Digital Archive | Kashiwa Library
PARTICULARS OF PROPOSED ALTERNATIVE STEERING GEARS FOR T.B.D
Yuzuru Hiraga Digital Archive | Kashiwa Library
LETTER FROM JOHN HASTIE & CO. TO HAMMOND & CO.
Yuzuru Hiraga Digital Archive | Kashiwa Library
ON MECHANICAL TESTS OF TEST PIECES PREPARED FROM SAMPLES OF STEEL SUPPLIED BY MESSRS. WM. BEARDMORE & CO. LTD.
Yuzuru Hiraga Digital Archive | Kashiwa Library
PROPOSED FRENCH T.B.D.
Yuzuru Hiraga Digital Archive | Kashiwa Library
列国潜水艦調 大正十三年十二月十五日
Yuzuru Hiraga Digital Archive | Kashiwa Library
THE ENGINEER MAY 2,1924
Yuzuru Hiraga Digital Archive | Kashiwa Library