John, I have now received a reply from the British Library, the text of which is quoted verbatim below: 'Thank you for your email enquiry. The British Library...
2766
John Bateman
john500566
Aug 2, 2009 4:38 pm
David That is a disappointment, however the information is useful in that it explains a little about the workings of the Patents Office, that I for one did not...
2767
planimetrica
Sep 14, 2009 4:48 pm
I've just posted pics of of 3 sets of metal plotting triangles purchased at a flea market in Vienna. The set on the upper left is by Neuhöfer & Sohn with...
2768
collectingken
Sep 16, 2009 4:10 am
Let me preface this with the fact that this is just a guess based on the design, but I think they would be used to draw offsets from a baseline. You would set...
2769
noinkstains
Sep 18, 2009 4:45 am
Earliest on-line reference I've found is the Sept. 1867 Catalogue for Wm. Y. McAllister & Co. in Philadelphia, one of the earliest & most successful sellers of...
2770
gemmary
Sep 27, 2009 7:26 pm
We have just posted copies of Howard Dawes new book "INSTRUMENTS OF THE IMAGINATION - A HISTORY OF DRAWING INSTRUMENTS IN BRITAIN 1600-1850" on ebay. This is...
2771
planimetrica
Sep 29, 2009 2:39 pm
Just posted pics my latest acquisition, a "spiegelpasser" by Antoine Lipkens, used for measuring and drawing angles. How one would go about doing this is yet...
2772
weymouthdavid
Oct 1, 2009 11:43 am
I have uploaded three photos of an unusual pocket compass that I have just bought. The leather covered case separates in an unusual way and the leather is...
2773
David
dveret
Oct 1, 2009 9:19 pm
David, I'll look through my info, seems like I have seen a similar one once. Nice case reminds me of French pocket cases. The instruments look quite heavy so...
2774
Don Wells
donlwells
Oct 2, 2009 2:14 am
David, Although a bit different, here is a link to a similar instrument on ebay. 310172091299 The body of the instrument is very close to yours. Sorry there is...
2775
weymouthdavid
Oct 2, 2009 8:23 am
Hello Don, Thanks for the link. I have several of those in cheap French sets. It is just the usual type of single leaf spring bow produced in ink and pencil...
2776
weymouthdavid
Oct 2, 2009 8:57 am
I missed David Thompson's reply the first time I looked (thanks David). The instrument is quite small being just 3.4 inches long and the case measures 4 x 1.5...
2777
collectingken
Oct 4, 2009 12:34 am
I'm still working on the Alteneder timeline, but am waiting to acquire or find additional information to complete it. While doing this I have been acquiring a...
2778
weymouthdavid
Oct 4, 2009 8:49 am
Hello Ken, ECOBRA was a brand name of the Bayerische Reisszeugfabrik AG, which was founded in 1893 as Eichmuller & Co. After Eichmuller died, the factory was...
2779
collectingken
Oct 4, 2009 4:58 pm
Hi David, Thanks for the information, I guess that Joseph was a cousin since the famous Joseph Dietzgen, Eugene's father, died in 1888 and Eugene was an only...
2780
lo_harv
Oct 13, 2009 10:22 pm
Do you know of anyone in or near Seattle, WA who might help me go through a bunch of my father's old drawing instruments? I don't really know much about them....
2781
mchavez56
Oct 16, 2009 1:11 am
I am here in Seattle, I live in Ballard (north side of town) drop me a line mcchavez@... or here at the group. I can help. Marc...
2782
tjstanton1953
Oct 18, 2009 1:30 am
I live in downtown Seattle (7th and Westlake) and can give you a hand as well. Marc, I had no idea you lived here, we need to meet up and have a beer or a...
2783
mchavez56
Oct 18, 2009 10:01 pm
Outrageous! Definitely a coffee of beer. My office is at 4th and Madison. I work for ZGF Architects. next week is trashed as is the first 1/2 of the next (I'm...
2784
weymouthdavid
Oct 21, 2009 5:47 pm
I have uploaded pictures of my latest acquisition, a W F Stanley folding arm vernier protractor. It is made of electrum (German silver) with inset silver scale...
2785
robert pilla
rpilla001
Oct 21, 2009 7:26 pm
David, That is a very nice piece, Great find. Robert ... From: weymouthdavid <drdriches@...> Subject: [Drawing Instruments] W F Stanley folding arm vernier...
2786
ronbo717
Oct 22, 2009 12:05 am
A very nice instrument. What is in the center to align over the origin point? I would guess glass with cross hairs etched in black? Thanks. Ron...
2787
weymouthdavid
Oct 22, 2009 8:03 am
Ron, Yes, the centre is glass with cross hairs for alignment. That's the same as on my much earlier John Cail instrument (photos 63 to 65 in my album). However...
2788
weymouthdavid
Nov 5, 2009 2:01 pm
I have posted a picture of a Brook's pattern B flexible curve. It is 12" long and spring steel backed with brass links which both set and hold the shape. It is...
2789
ELLEN LAIR
elair1
Nov 15, 2009 3:44 am
Hello ,can anyone have any information or history on a set of mechanical drawing tools i acquired in a sale .it is a wooden case covered in leather the inside...
2790
Bill Burns
efanzines
Nov 15, 2009 4:40 am
... This Google search should show all the patents issued on that date, OCR errors aside: ...
2791
collectingken
Nov 15, 2009 5:16 am
I suspect these are Schoenner instruments. Check patent No. 723041 on Google patents to verify that this resembles your instruments. The patent is for a...
2792
weymouthdavid
Nov 15, 2009 8:48 am
I can confirm that these would be Schoenner instruments. I have a couple of these sets with the patent date on the head fork of the compasses on the opposite...
2793
weymouthdavid
Nov 15, 2009 9:41 am
Further to my recent post I have now examined a Schoenner flat pattern compass and in fact it does not use the Schoenner patent straightening device but uses...
2794
ELLEN LAIR
elair1
Nov 15, 2009 1:12 pm
thank you to everyone with information on this set i am very impressed with your knowledge .I do have another question,how do you know if it is for a square or...
