Frank Twyman

1876 – ,

• Metal spectroscopy
• Optical glassworking
• Prism and lens making
• Spectrochemical abstracts, 1933-1937, being a 52 page bibliography with abstracts of over 200 papers on spectrochemical analysis June, 1938
• Spectrochemical analysis in 1938
• The practice of absorption spectrophotometry with Hilger instruments
• The spectrochemical analysis of metals and alloys
• Wavelength tables for spectrum analysis