THE

REPERTORY

OF

PATENT INVENTIONS,

AND OTHER

Discoveries and Emprovements

IN

ARTS, MANUFACTURES,

AND

AGRICULTURE;

BEING A CONTINUATION, ON AN ENLARGED PLAN,

OF THE

Repertory of Arts and Manufactures:

A WORK ORIGINALLY UNDERTAKEN IN THE YEAR 1794, AND STILL CARRIED ON, WITH
A VIEW TO COLLECT, RECORD, AND BRING INTO PUBLIC NOTICE, THE
USEFUL INVENTIONS OF ALL NATIONS.

ENLARGED SERIES.-VOL. XXXV.
January-June, 1860.

LONDON:

PUBLISHED FOR THE PROPRIETOR,

BY ALEXANDER MACINTOSH, GREAT NEW-STREET;
AND SOLD BY SIMPKIN, MARSHALL, AND CO., STATIONERS'
HALL COURT; J. WEALE, HIGH HOLBORN; AND

G. HEBERT, CHEAPSIDE.

THE

REPERTORY

OF

PATENT INVENTIONS.

No. 1. Vol. XXXV. ENLARGED SERIES.—JANUARY 2, 1860.

Specification of the Patent granted to WILLIAM TUCKER, of the State of Massachusetts, of the United States of America, for An Improvement in Bit Stocks or Auger Handles. -Dated March 3, 1859.

WITH AN ENGRAVING.

To all to whom these presents shall come, &c., &c.The nature of my said invention, and the manner in which the same is to be performed, or in other words its construction and mode of operation, are fully described and ascertained in and by the following specification and the accompanying drawings, of which

Fig. 1, is a side elevation of a bit stock socket having my improvement applied to it;

Fig. 2, is a longitudinal section of the same; and
Fig. 3, is an under side view of it.

The nature of my invention consists in a peculiar application and arrangement of a screw and a segmental head or its equivalent with reference to the bit stock socket, and for the purpose of enabling a person to fix or hold a boring

or other tool therein.

No. 1.-VOL. XXXV.

B