Notes concerning “Book notes”

• Sodium silicate 02020-06-04 (32 minutes)
• Notable quotes from Steinmetz’s 1892 hysteresis paper 02020-09-10 (2 minutes)
• An index of the 1880 edition of Cooley’s Cyclopædia 02020-09-17 (updated 02020-10-23) (9 minutes)
• Reuleaux 02020-10-15 (updated 02020-10-18) (19 minutes)