Xxii AMERICAN HOMES AND GARDENS April, 1911 
such force and to such purpose that at last 
it went over and rolled several yards down 
a slight declivity. It was followed to some 
oldwell awn OWeLrsSs distance by the birds themselves before they 
could recover their bearing. 
Hand, Horse and Motor 
TO COLOR TIN SOLDER YELLOW. 
REPARE first a saturated solution of 
blue vitriol in water, dip a polishing 
stick into it with which the place 
Coldwell’s Motor Lawn Mowers to be soldered is moistened. Touch the 
spot thus moistened with an iron or steel 
: wire or rod. If this is frequently repeated 
Will do the work of three horse copper will be deposited. To produce yel- 
lawn mowers—and do it better low color, the spot is moistened with a 
' x mixture of 1 part of saturated aqueous so- 
lution of white vitriol and 2 parts of blue 
vitriol solution by means of a zine rod. 
The spot is to be finally rubbed with gild- 
ing powder and polished with the burn- 
isher. In the case of gilded objects, the 
coppered spot should be coated with a thin 
covering of gum or isinglass solution. 
dusted with bronze powder, and after dry- 
ing, brushed smooth. For silver articles 
the coppered place is to be rubbed with sil- 
vering powder, brushed and polished. 
POISONOUS PLANTS 
OME of the plants of the family 
Cruciferae which grow in pastures 
are distinctly poisonous. Among 
these dangerous plants are various species 
q@ They leave of mustard. The field mustard, or char- 
q They will mow up 2U per cent grades. 
no hoof-prints as horses do. They will roll the lawn lock, which is very common in many parts 
: of France, is particularly dangerous. The 
smoothly. They do away with the expense of two black mustard appears to be less irritant, 
but it is not free from poisonous qualities. 
men and three horses. q They are of no expense Its seeds seriously affect the health cf cows 
when not in use. They are simple to operate and and make their milk unwholesome. The 
white mustard is still less poisonous, but 
economical. € They are a necessity on every large lawn Alafs COnNOH Sp TaVROCSTIE 
Catalogue sent on request 
THE TRANSFORMATION OF SEA- 
WATER INTO FRESH WATER 
Manufactured by HE belief was prevalent among the 
savants of the 17th and 18th cen- 
] M turies that a hermetically sealed 
Cold VW Cc a VW Nh O VV er O. earthen vessel dipped into the sea would 
fill itself with fresh water. At the pres- 
ent day it is difficult to say on what this 
Newburgh, N. Ne belief was grounded. It rae could not 
have been evoked by experiment. In a 
similar sense Marsigl, the founder of 
oceanology, made in the year 1725 an ex- 
periment which effected the filtration of 
sea-water through a system of fifteen pots 
“Ti. filled with washed garden-earth or sand 
The Schilling Press and so placed as s let the water fall 
as if in a cascade. It is stated that the 
palate disclosed a definite diminution of 
Beauty and Comfort Combined 
With the Honest Skill of Sweden 
is Yours if You Use 
Ericsson Venetian Blinds | | ————#rinters——— 
W the presence of salt. Similar assertions 
aE IN Ss : EDEN BOOK AND CATALOG are everywhere current among seamen. 
ee ee nerena? ado ws end a WORK OF ALL KINDS A scientific test of the endeavor to free 
“Bli dB k for P le Who Can See” @ Fine Art Press Work a Specialty salt from water was recently made by the 
mM DOR Tone ape Oar French investigator Thoulet. His report, 
and appreciate art and luxury in house equipment. 137-139 E. 25th Si.: NEW YORK which appears an the minutes of itemteds 
PRR Ge ea ag ayoae ocuniesiamell shace and ta reaioved NRG SS émie des Sciences of Paris, states that the 
roller shade. Write for the “BLIND BOOK”’ today—NOW. It’s free 
to ‘PEOPLE WHO CAN SEE,”’ Ask for Booklet D. 
SWEDISH VENETIAN BLIND CO.,1123 Broadway, New York, N.Y. 
presence of salt can be reduced by filtra- 
tion. Forty centimeters of the length of 
a glass tube, which was one meter long and 
was placed in a perpendicular position, was 
filled with sea-sand, and the rest of the 
will be recom- tube was filled with sea-water; portions of 
BOOKS mended and sup- the filtrate were examined at intervals of 
the experiment to ascertain its density and 
plied by our well 2 o 
RELATING TO equipped Book chemical composition. The result was that 
1 Department. in the initial stage of the experiment den- 
ett ark is : sity as well as saline content were found to 
. See MUNN & CO. be moderately reduced; very soon there- 
Furniture Rugs — 361 Broadway after both recovered their original value. 
Ceramics, ete. NEW YORK |] The early decrease of value is explained 
by the mechanical attraction which every 
