BowKER's Pure Anihal Fertilizers. 
MADE AT THE BRIGHTON SLAUGHTER-HOUSES. 
Introduced in 1873. 
WENTY=FOUR years ago, Mr. W. H. Bowker, as agent of the Butchers' Association of Brighton, introduced to farmers 
the first Animal Fertilizer made in this country. Prior to 1873 the butchers about Boston were slaughtering in differ- 
ent parts of the city and adjacent towns, feeding their waste to hogs or burying it up. Their places were becoming 
nuisances. By an act of the legislature they were incorporated as an association, with slaughter-houses at Brighton, 
some twenty or thirty of them, with one large rendering-house common to all. 
Since then the butchering has been carried on chiefly at this place, and to this rendering or boiling-house is brought daily all 
the blood, waste portions of meat, and bone, which are treated in large tanks with steam, the grease extracted, and the residue is 
dried and ground to a fine powder. There are three products : dried blood, dried meat and bone, and dried bone. There are 
hundreds of cattle and sheep slaughtered here daily, and what was formerly thrown away now brings in a revenue of from ^30,000 
to ^40,000 annually. 
These animal fertilizers are the same to-day as in 1873. 
They are absolutely pure and are in no sense stimulants. In fact 
there is nothing which is a stimulant to plants in the same sense 
that whiskey is a stimulant to man. The reason these animal 
fertihzers make plants grow is because they contain the same 
elements as plants, the animals having fed upon grass and grain 
and converted them into muscle and bone, the waste parts of 
which are returned by this method to the soil. What has come 
out of the soil, in the shape of domestic animals which have fed 
upon crops raised therefrom, must be good to return to the soil 
and must help to build it up. 
We offer these Animal Fertilizers under four brands : — 
Bone and Blood, 
Bone, Blood and Potash, 
Soluble Animal Fertilizer, 
Fresh Ground Bone. 
The Bone and Blood is composed of blood, bone and waste 
meat thoroughly steamed, dried and ground to a fine powder. It 
contains, therefore, ammonia and phosphoric acid, ^uif no potash. 
Bone, Blood and Potash contains the blood and bone 
with potash added, the bone, however, being partially dissolved 
so as to render it more soluble in the soil, and the potash is 
added to make a complete fertihzer. 
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