One tablet sterilised the water, the other took away the chlorine type taste.Item belonged to Billy Bird No VX113169 2/14 Batt AIF. Refer 1601. .1) & .2) Metal tin with black metal lid, contains 2 glass tubes with cork stoppers. .3) Glass tube containing 50 blue tables. .4) Glass tube containing 50 white tables. .2) Lid: Sterilising Outfit for use with water bottles (Keep Dry). Instructions for use on underside of lid. .3) x 50 Thio tables. .4) x 50 Sterilising tables.containers - military, medicine - pharmacy, water sterilization

One lot of tablets were to purify the water, the other was to take away the swimming pool taste..1) & .2) Metal tin with black metal lid, contains 2 glass tubes with cork stoppers. .3) Glass tube containing 50 blue tables. .4) Glass tube containing 50 white tables. .2) Lid: Sterilising Outfit for use with water bottles (Keep Dry). Instructions for use on underside of lid. .3) x 50 Thio tablets. .4) x 50 Sterilising tablets.containers - military, medicine - pharmacy, military history - equipment, passchendaele barracks trust

The white tablet kills germs/bacteria and leaves that swimming pool taste, The blue tablet takes that away.Water sterilisation kit consisting of. .1) Tin base and lid, lid is black with white description, inside lid in black instructions for use. .2) Bottle, cylindrical shape, white plastic lid, contents consist of blue tablets, label with black print around. .3) Bottle, cylindrical shape, white plastic lid, contents consist of white tablets, label with black print around..2) On label, “THIO Tablets”. .3) On label, “ Sterilizing tablets, crush tablet before using, water bottle must be emptied before refilling”sterilizing, tablets kit, military