Every photograph gallery or person engaged in photography, when the business is conducted at a fixed location, shall pay the following license tax: in cities and towns of 75,000 inhabitants and over, $25 for each fixed location; In cities and towns of less than 75,000 and not less than 40,000 inhabitants, $15 for each fixed location; in cities and towns of less than 40,000 and not less than 7,000 inhabitants, $10 for each fixed location; in cities and towns of less than 7,000 and in all other places whether incorporated or not, $5 for each fixed location. The payment of such license tax shall authorize the doing of business only in and throughout the county where paid. If the licensee does business in any other county or counties, he shall pay an annual license tax of $5 for each photographer in each additional county in which he does business. Each transient or each traveling photographer having no fixed place of business in the state shall pay a license tax of $10 per annum in each county where he does business.