Subsequently, on July 16, 1888, the minister of commerce and industry, also serving as the commissioner general for the 1889 Exhibition, issued another resolution nominating the Committee of Organization for the International Photographic Congress.
The Congress reviewed and made suggestions on the practical standard for the unit of light, focal length measurement, diaphragm effects, shutter timing, attachment methods, plate sizes, formula expression, process naming, customs procedures for sensitive materials, and artistic property protection in photography.
[8] Beginning on the 23rd of August, the opening session of the International Congress took place at the Brussels Town Hall.
[13] General Hippolyte Sebert, on behalf of the Permanent International Committee, presented a report on the "Standardization of Screws Entering into the Construction of Photographic Apparatus".
For eight shillings (ten francs), members of the Congress were granted all benefits, including a report copy when it was published.
[18] The delegates of The Royal Photographic Society of Great Britain had invited the Congress to hold its next session in England in 1928.
[22] The eighth International Congress of Scientific and Applied Photography took place in Dresden, Germany, from August 3 to 8 in 1931, with the final day's events moved to Berlin.
[24] The ninth International Congress was held in the rooms of the Société française de photographie in Paris from July 7 to 13, 1935.