Louden hay unloading tools, barn and garage door hangers, dairy barn equipment, litter, feed, merchandise, and milk can carriers, horse stable equipment, cupolas, ventilators, drains, etc., hardware specialties: general catalog no. 46 (1916)
Louden Machinery Company · Louden Machinery Company · leaf 145
umed or used air must be removed from thebarn and fresh air must be allowed to enter totake its place. Most new barns have vent flues to carry offthis impure air, but in many barns these outlets are not doing the work for which they are intended. In some cases this failure is due to aor ventilator… … Fig. 1268 cap Page One hundred forty-two