Make your own etching pen with a few basic components and a 6 volt battery. Contributed by Glen Cramond on 9 /23 /04

Low cost, efficiency in operation in the shop and on the job, light weight and labor-saving are features which make them indespensable to the up to date sheet metal establishment.

Details of tool construction and explaination of their use on work of varied character where method is less expensive than stamping.

Why some welds fail- What is necessary to make a successful weld - A brief discription od several welding machines. (as it was in 1922)

What Happens In Shearing Metal

"Bliss" Rotary Shears

"Bliss" Squaring Shears

"Bliss" The Spinning Lathes

"Bliss" Double Seaming Machines for Round Work

"Bliss" Double Seaming Machines for Rectangular oval and Irregular Shapes

"Bliss" Gang Slitters