Joe Case: would you please send a copy of the instructions to me also to firstname.lastname@example.org? If they can't be emailed, please let me know. Thanks!
I have a copy of the instructions from our Model 700-c if that helps.
I utilized the Carmody Combustible Hazards kit during the early 1990s teaching industrial fire brigade members. It is an amazing tool for live demonstrations of fire chemistry under controlled circumstances. While most of the equipment could be purchased at a laboratory supply store, the ignition control device won't be easy to duplicate.
I added a series of experiments to demonstrate how the arrangement of the fuel affects burning rate, all based upon wood cellulose as the fuel. I would ignite a piece of toilet paper (burns very fast!), a piece of paper (slower), a piece of cardboard (slower still), and finally a block of 2" x 4", all with a match. The 2 x 4 usually won't ignite with a match, so I would hold the flame from a propane torch against the block, which would self-extinguish when the flame was removed. All experiments demonstrated that surface to mass ratio is an important concept, even with solids. (The kit has a kerosene-misting device which demonstrates the same concept with liquids).
I would then arrange two blocks of 2 x 4s (about 6" long) on the ring stand, standing them vertically with the 4" dimensions facing each other, separated by a wooden matchstick with the head removed. The separation between the blocks was about 1/8". One wooden match, held underneath the 1/8" gap, would ignite both blocks of wood because of radiation feedback between the two faces. We had a lot of high-rack storage and this experiment demonstrated how the vertical arrangement of fuel with minimal spacing leads to rapid fire growth from small ignition sources.
One final demonstration (can't remember if this is in the Carmody book or not) was to dry some sawdust/small chips in an oven, then store in a airtight container. After placing about 1" layer of fuel in the bottom of a beaker, stop the beaker with the drilled rubber stopper with a bent glass tube installed. Place the beaker on the ring stand using the screen, then heat the bottom of the beaker with a heat device (candle or propane torch). As smoke and flammable gases are generated through pyrolysis, they exit the beaker through the glass tube. When the fuel has low moisture content, you should be able to ignite the flammable gases mixed with the smoke by placing a lit match in the smoke stream a short distance from the tube, allowing for air to mix with the gases. This demonstrates that flammable gases/smoke can be ignited at some distance from the original heat source (such as gases/smoke venting from a attic).
Thanks for bringing back some great memories of the Carmody Kit. I wish I still had access to one!