Investigation notes - general

Item is a note and City Analyst report as completed by Vance on an examination of alleged opium

Item is the 1921 report of the Board of Health, City of Vancouver Health Committee.

Item is a letter to Brakenridge about the colouring of cement and concrete (lampblack) for the No. 1 Firehall, Powell Street.

Item is a letter to Underhill about examination for Dominion Analyst role.

Item is a letter to Dawson about an order and the quality of the milk.

Item is a requisition request asking Vance to analyze a sample of condensed milk to see if it meets Navy specifications.

Item is a series of instructions on how to analyze food items.