| Show 1 11 I 1 I 1 i I 1 of f vw VU 1 3 11 Y wo 01 0 1 V 1 lz f Y ish is coming into r ue se asa as a labati tor for metal in tle the kni i g of c autel ivol ili hi to tomae ina 0 o the woi wo i I 1 cep tible to ton n of ilis 0 orber ier it ulus mas first be subhi su luied it tu a lith bath L ith of caustin alkali for two days the both bath buns being 11 kept lt t a temperature of begs fahr Fah farrall rall all the while next nest it is s soaked in a solution of hydrosulphate of calcium for from twenty four to thirty nine hours the third dip is into a bath baah of concentrated solution tion of sulphur the final fiaai dip is is into a solution of acetate of lead at a temperature of legs after being thoroughly dried the wood is ready re dy to hax hae e the metallic surface imparted to it which aich is done by giving it a rubbing with finely powdered lead tin or zinc wood treated in the above manner it is said will take a polish almost equal to that so often imparted to steel silver or nickel st louis lonis republic I 1 |
