TY - BOOK ED - A. Gallenkamp & Company (Firma comercial) ED - J. W. Towers & Company (Firma comercial) TI - Gallenkamp-towers, general catalogue T2 - Markers of scientific apparatus and instruments, and laboratory furnischers AV - Q185 G45 PY - 1960/// CY - London PB - A. Gallenkam, J. W. Towers KW - Laboratorios KW - Aparatos y equipos ER -