Chemical and optical glassware and scientific apparatus
Subtitle: hearings on H.R. 3734, H.R. 3735, and H.R. 4386
Published: 1919
Language: eng
Number of pages: 139
Subjects: Revenue; Law and legislation; Tariff on scientific apparatus and instruments
Notes: "June 11-13, 1919."

6th Congress, 1st session.