拍品专文
This is similar to Vol III fig 1030, but is intended as a combination machine for horizontal lapping: the wood slopes are present for carrying the jockey pulleys, as is a lapping plate.
细节
A wood framed treadle grinding machine, with treadle gear and flywheel
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END OF SALE
Entries are now being accepted
for Scientifice and Medical Instruments
Tools, Ornamental Turning, and Other Apparatus
1st July, 1993
Entries are now being accepted
for Scientifice and Medical Instruments
Tools, Ornamental Turning, and Other Apparatus
1st July, 1993