Hydro-extractors
Subtitle: their safe construction and equipment.
Contributors: Massarelli, Francesco.
Series: Studies and reports, Series F, 2d section (Safety); no. 3
Publisher: [Printed by Atar]
Published: 1929
Place of publication: Geneva
Language: eng
Number of pages: 102
Subjects: Drying apparatus.; Machinery -- Safety appliances.
Notes: Bibliography: p. [92]
At head of title: International Labour Office.
"Prepared by Mr. Massarelli, assisted by Mr. Scotti."--Pref.