TY  - BOOK
AU  - Knerr,Horace Calvin
TI  - Heat treatment [!] and metallography of steel: elements of physical metallurgy,
AV  - TN730 .K6 1935
U1  - 669.1 
PY  - 1935///
CY  - [Philadelphia]
KW  - Steel
KW  - Metallurgy
KW  - Metallography
N1  - Cover-title; Includes six extra numbered leaves; "This work was first published serially in Forging, stamping and heat treating magazine."--Foreword
ER  -