Some people here are confused. Evangelicals use the term "Deity" to mean that Jesus is the second person of the Trinity and therefore YHWH. No Bible Student ever held that belief. Bible Students, including Russell, held that Jesus in his preexistence was the Logos, the Archangel Michael, and a created god in the Arian sense. But because he had been raised to the position of representative of God the Father as YHWH's king, he could be and was (and is) worshiped by Bible Students. Really, Jesus continued to be worshiped by JWs until the Knorr/Franz era. Freddie probably read the early church Father Origen and decided that Jesus shouldn't be worshiped. (The early Arians in the fourth century worshiped Jesus.)
The Finished Mystery contains many "gems." In fact, some of the ideas in it are nuttier than the average fruit cake. Interestingly, the 1917 edition prophesied that the churches would fall in the autumn of that year. When they didn't, the next edition indicated that they would fall in 1918. This was discussed in court with Clayton Woodworth when Rutherford and company were charged with violating the Espionage Act. It can be read in the transcript of record of the United States v. Rutherford et al. What is so surprising is that the U.S. government--like the Nazis later--took them so seriously when they could have dismissed them as a small, rather goofy movement. But then, the Pentecostals were in the same boat at the time as conscientious objectors and were being attacked by evangelist Billy Sunday. But then too, the American public was pretty goofy during World War I as well, something that has continued from time to time and seems rather evident right now.
A couple of other points: There is a picture of a penny in the front of the Finished Mystery. The reason for this was that the book was held to be the penny of Jesus' parable, and it was suggested that Rutherford was the "good man" who gave the penny. When Rutherford expelled the four directors whio took a stand against him and drove them from Bethel in July 1917, Woodworth and the Society began telling the lie that the reason the four directors were dismissed (probably quite illegally) is that they objected to the publication of the Finished Mystery. Interestingly, even the Proclaimers book still teaches that lie despite the fact that Rutherford while under oath in court stated that the Finished Mystery had nothing to do with the directors' dismissal.
While many Bible Students who broke with Rutherford did not accept the Finished Mystery, some did. For example, the Standfasters who gathered in Oregon, Washington, and British Columbia held fast to the Finished Mystery. They only broke with the Society when Rutherford tried to compromise with the U.S. government by joining in a national day of prayer and by saying it was okay to buy Liberty Bonds for the War. The Standfasters had a magazine called "Old Corn Gems," which is as dull as dishwater. Eventually, they tried to set up a commune on Vancouver Island and built a fish factory. But they fell apart when they nearly starved. One group that grew out of the Standfasters was called the Elijah Voice Society. It was the first group of Bible Students to make a fuss about the flag salute. Rutherford evidently took the idea that saluting the flag was wrong from them.
GreyWolf