“…a span of 40 years, the users of this measuring technique constructed and built 'home-made' thermobalances operating on about 50 different principles (spring, torsion, chain, wedge, zero-type, etc.) [4][5][6][7][8], while 10 different industrial balances were marketed between 1945 and 1960, but in the meantime, the number of publications showed hardly any increase (curve 2 in Fig. 1).…”