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ote ve "NOTES IN PASSING Tfother day the Editor mentioned that all the "Notes in Passing" by have, so far, been about the Town life, etc., of you good people ,. "The Passerby" he suid that I should write an article about the Mill..."but not too technical" he says, (Guess that was so that he could understand it! So, we will entitle it as below .. and go on from there: AN_ ESSAY ON TH MANUFACTURE OF SULPHATE PULP AT. TERRACE BAY This essay is to consist of a concise and thorough explanation of the workings of this modern "Fush Button" Sulphate Mill, located in Northern Ontario on a Riyer that flows into Lake Superior, To start with, I must tell you that the whole idea here is to take trees out of the bush and turn them into wrapped (and weighed) bundles of pulp. This is quite a trick, - and if I went on from here and explained each process in detail, this essay would probably be swiped by some Engineering Journal and thus the "Common Man" would never get to see it. Instead, I will describe the machinery, equipment and some of the key persons used in this mill and thus, as you read down the list you'll be able to follow the log (i.e, a tree) from the moment it leaves the river until its little fibres leave this plant in train-load lots, A Jack Ladder is e kind of ski slide in reverse with chains, that take the logs out of the water which the river is full of, A Circular Saw a round flat thing with teeth that goes Bzzzzzzzzzz2z2rt through a Log. A Barking Drum a big round cylinder from which the logs come out naked, A Chipper A noisy machine that makes chips off the old block, The man who operates this machine is known as a chipperman, (odd name isn't it?) A Conveyor is a kind of trough that conveys things around. The most common type is a long, black, rubber thing that is full foing one way and empty coming back underneath. It has a lot of wheels, A Digester is a big tank which is filled with chips and stuff and after steam goes in for a while, pulp comes out. (All blacktn hot 'n smelly) A Brown Stock Washer is un affair with big rolls in it with pulp on top under little shower nozZles and the juice, called black liquor, runs into the inside of the rolls and down « pipe into a tank. 'The pulp from on top runs down a pipe into a tank also. Thus you can readily understand how the pulp is washed, can't you? CAN'T YOU????2?2?3! Right about here, we have to sort of split up, beceuss, you see, in this mill the Boss or someone wants to save some of the chemicals: that this black liquor is full of so much. So, we will follow this liquor through the recovery process and then later pick up the pulp again. Just hold your hat because it gets a bit complicated now, The Evaporators are a lot of tanks and pipes and pumps. The liquor is affected in some places because of the steam that gets it all hot and bothered end so the water comes out. The Cascade Evaporators are worse and harder on the water, left in the liquor, than you'd think possible, The Recovery Boiler is a big thing full of fire which burns the liquor until it makes a silly ash of itself, Then, odd as it may sound, but after all this,- The Smelt Tank is where the water is added!t!t!! This then gives us green-liquor. (The colour scheme in this mill is truly wondrous to behold) The Causticizing Dept. has a lot of tanks where this green liquor gets all stirred up with lime and stuff and what's left over is burnt (AGAIN!) in an immense big pipe over a block long, that turns, called a,--- 'Lime Kiln Where the lime comes out of. The liquor, after all this, goes back to the digesters, (see the word "Sturf" under the heading "Digesters," Now, let us return to the pulp, which you will remember has just been washed, (continued on page 4)